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341 lines
10 KiB
341 lines
10 KiB
/*
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* Safe macros for commonly used syscalls to reduce code duplication in LTP
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* testcases, and to ensure all errors are caught in said testcases as
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* gracefully as possible.
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*
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* Also satiates some versions of gcc/glibc when the warn_unused_result
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* attribute is applied to the function call.
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*
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* Licensed under the GPLv2.
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*/
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#ifndef __TEST_H__
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#error "you must include test.h before this file"
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#else
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#ifndef __SAFE_MACROS_H__
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#define __SAFE_MACROS_H__
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#include "safe_macros_fn.h"
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#include "old_safe_stdio.h"
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#include "old_safe_net.h"
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#define SAFE_BASENAME(cleanup_fn, path) \
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safe_basename(__FILE__, __LINE__, (cleanup_fn), (path))
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#define SAFE_CHDIR(cleanup_fn, path) \
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safe_chdir(__FILE__, __LINE__, (cleanup_fn), (path))
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#define SAFE_CLOSE(cleanup_fn, fd) ({ \
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int ret = safe_close(__FILE__, __LINE__, (cleanup_fn), (fd)); \
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fd = -1; \
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ret; \
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})
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#define SAFE_CREAT(cleanup_fn, pathname, mode) \
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safe_creat(__FILE__, __LINE__, cleanup_fn, (pathname), (mode))
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#define SAFE_DIRNAME(cleanup_fn, path) \
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safe_dirname(__FILE__, __LINE__, (cleanup_fn), (path))
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#define SAFE_GETCWD(cleanup_fn, buf, size) \
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safe_getcwd(__FILE__, __LINE__, (cleanup_fn), (buf), (size))
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#define SAFE_GETPWNAM(cleanup_fn, name) \
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safe_getpwnam(__FILE__, __LINE__, cleanup_fn, (name))
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#define SAFE_GETRUSAGE(cleanup_fn, who, usage) \
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safe_getrusage(__FILE__, __LINE__, (cleanup_fn), (who), (usage))
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#define SAFE_MALLOC(cleanup_fn, size) \
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safe_malloc(__FILE__, __LINE__, (cleanup_fn), (size))
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#define SAFE_MKDIR(cleanup_fn, pathname, mode) \
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safe_mkdir(__FILE__, __LINE__, (cleanup_fn), (pathname), (mode))
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#define SAFE_RMDIR(cleanup_fn, pathname) \
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safe_rmdir(__FILE__, __LINE__, (cleanup_fn), (pathname))
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#define SAFE_MUNMAP(cleanup_fn, addr, length) \
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safe_munmap(__FILE__, __LINE__, (cleanup_fn), (addr), (length))
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#define SAFE_OPEN(cleanup_fn, pathname, oflags, ...) \
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safe_open(__FILE__, __LINE__, (cleanup_fn), (pathname), (oflags), \
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##__VA_ARGS__)
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#define SAFE_PIPE(cleanup_fn, fildes) \
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safe_pipe(__FILE__, __LINE__, cleanup_fn, (fildes))
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#define SAFE_READ(cleanup_fn, len_strict, fildes, buf, nbyte) \
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safe_read(__FILE__, __LINE__, cleanup_fn, (len_strict), (fildes), \
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(buf), (nbyte))
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#define SAFE_SETEGID(cleanup_fn, egid) \
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safe_setegid(__FILE__, __LINE__, cleanup_fn, (egid))
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#define SAFE_SETEUID(cleanup_fn, euid) \
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safe_seteuid(__FILE__, __LINE__, cleanup_fn, (euid))
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#define SAFE_SETGID(cleanup_fn, gid) \
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safe_setgid(__FILE__, __LINE__, cleanup_fn, (gid))
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#define SAFE_SETUID(cleanup_fn, uid) \
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safe_setuid(__FILE__, __LINE__, cleanup_fn, (uid))
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#define SAFE_GETRESUID(cleanup_fn, ruid, euid, suid) \
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safe_getresuid(__FILE__, __LINE__, cleanup_fn, (ruid), (euid), (suid))
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#define SAFE_GETRESGID(cleanup_fn, rgid, egid, sgid) \
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safe_getresgid(__FILE__, __LINE__, cleanup_fn, (rgid), (egid), (sgid))
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#define SAFE_UNLINK(cleanup_fn, pathname) \
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safe_unlink(__FILE__, __LINE__, cleanup_fn, (pathname))
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#define SAFE_LINK(cleanup_fn, oldpath, newpath) \
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safe_link(__FILE__, __LINE__, cleanup_fn, (oldpath), (newpath))
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#define SAFE_LINKAT(cleanup_fn, olddirfd, oldpath, newdirfd, newpath, flags) \
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safe_linkat(__FILE__, __LINE__, cleanup_fn, (olddirfd), (oldpath), \
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(newdirfd), (newpath), (flags))
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#define SAFE_READLINK(cleanup_fn, path, buf, bufsize) \
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safe_readlink(__FILE__, __LINE__, cleanup_fn, (path), (buf), (bufsize))
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#define SAFE_SYMLINK(cleanup_fn, oldpath, newpath) \
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safe_symlink(__FILE__, __LINE__, cleanup_fn, (oldpath), (newpath))
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#define SAFE_WRITE(cleanup_fn, len_strict, fildes, buf, nbyte) \
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safe_write(__FILE__, __LINE__, cleanup_fn, (len_strict), (fildes), \
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(buf), (nbyte))
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#define SAFE_STRTOL(cleanup_fn, str, min, max) \
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safe_strtol(__FILE__, __LINE__, cleanup_fn, (str), (min), (max))
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#define SAFE_STRTOUL(cleanup_fn, str, min, max) \
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safe_strtoul(__FILE__, __LINE__, cleanup_fn, (str), (min), (max))
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#define SAFE_SYSCONF(cleanup_fn, name) \
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safe_sysconf(__FILE__, __LINE__, cleanup_fn, name)
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#define SAFE_CHMOD(cleanup_fn, path, mode) \
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safe_chmod(__FILE__, __LINE__, (cleanup_fn), (path), (mode))
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#define SAFE_FCHMOD(cleanup_fn, fd, mode) \
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safe_fchmod(__FILE__, __LINE__, (cleanup_fn), (fd), (mode))
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#define SAFE_CHOWN(cleanup_fn, path, owner, group) \
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safe_chown(__FILE__, __LINE__, (cleanup_fn), (path), (owner), (group))
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#define SAFE_FCHOWN(cleanup_fn, fd, owner, group) \
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safe_fchown(__FILE__, __LINE__, (cleanup_fn), (fd), (owner), (group))
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#define SAFE_WAIT(cleanup_fn, status) \
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safe_wait(__FILE__, __LINE__, (cleanup_fn), (status))
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#define SAFE_WAITPID(cleanup_fn, pid, status, opts) \
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safe_waitpid(__FILE__, __LINE__, (cleanup_fn), (pid), (status), (opts))
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#define SAFE_KILL(cleanup_fn, pid, sig) \
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safe_kill(__FILE__, __LINE__, (cleanup_fn), (pid), (sig))
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#define SAFE_MEMALIGN(cleanup_fn, alignment, size) \
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safe_memalign(__FILE__, __LINE__, (cleanup_fn), (alignment), (size))
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#define SAFE_MKFIFO(cleanup_fn, pathname, mode) \
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safe_mkfifo(__FILE__, __LINE__, (cleanup_fn), (pathname), (mode))
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#define SAFE_RENAME(cleanup_fn, oldpath, newpath) \
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safe_rename(__FILE__, __LINE__, (cleanup_fn), (oldpath), (newpath))
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#define SAFE_MOUNT(cleanup_fn, source, target, filesystemtype, \
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mountflags, data) \
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safe_mount(__FILE__, __LINE__, (cleanup_fn), (source), (target), \
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(filesystemtype), (mountflags), (data))
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#define SAFE_UMOUNT(cleanup_fn, target) \
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safe_umount(__FILE__, __LINE__, (cleanup_fn), (target))
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/*
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* following functions are inline because the behaviour may depend on
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* -D_FILE_OFFSET_BITS=64 -DOFF_T=__off64_t compile flags
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*/
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static inline void *safe_mmap(const char *file, const int lineno,
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void (*cleanup_fn)(void), void *addr, size_t length,
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int prot, int flags, int fd, off_t offset)
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{
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void *rval;
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rval = mmap(addr, length, prot, flags, fd, offset);
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if (rval == MAP_FAILED) {
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tst_brkm(TBROK | TERRNO, cleanup_fn,
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"%s:%d: mmap(%p,%zu,%d,%d,%d,%ld) failed",
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file, lineno, addr, length, prot, flags, fd,
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(long) offset);
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}
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return rval;
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}
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#define SAFE_MMAP(cleanup_fn, addr, length, prot, flags, fd, offset) \
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safe_mmap(__FILE__, __LINE__, (cleanup_fn), (addr), (length), (prot), \
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(flags), (fd), (offset))
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static inline int safe_ftruncate(const char *file, const int lineno,
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void (cleanup_fn) (void), int fd, off_t length)
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{
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int rval;
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rval = ftruncate(fd, length);
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if (rval == -1) {
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tst_brkm(TBROK | TERRNO, cleanup_fn,
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"%s:%d: ftruncate(%d,%ld) failed",
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file, lineno, fd, (long)length);
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}
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return rval;
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}
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#define SAFE_FTRUNCATE(cleanup_fn, fd, length) \
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safe_ftruncate(__FILE__, __LINE__, cleanup_fn, (fd), (length))
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static inline int safe_truncate(const char *file, const int lineno,
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void (cleanup_fn) (void), const char *path, off_t length)
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{
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int rval;
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rval = truncate(path, length);
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if (rval == -1) {
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tst_brkm(TBROK | TERRNO, cleanup_fn,
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"%s:%d: truncate(%s,%ld) failed",
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file, lineno, path, (long)length);
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}
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return rval;
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}
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#define SAFE_TRUNCATE(cleanup_fn, path, length) \
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safe_truncate(__FILE__, __LINE__, cleanup_fn, (path), (length))
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static inline int safe_stat(const char *file, const int lineno,
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void (cleanup_fn)(void), const char *path, struct stat *buf)
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{
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int rval;
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rval = stat(path, buf);
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if (rval == -1) {
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tst_brkm(TBROK | TERRNO, cleanup_fn,
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"%s:%d: stat(%s,%p) failed", file, lineno, path, buf);
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}
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return rval;
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}
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#define SAFE_STAT(cleanup_fn, path, buf) \
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safe_stat(__FILE__, __LINE__, (cleanup_fn), (path), (buf))
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static inline int safe_fstat(const char *file, const int lineno,
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void (cleanup_fn)(void), int fd, struct stat *buf)
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{
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int rval;
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rval = fstat(fd, buf);
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if (rval == -1) {
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tst_brkm(TBROK | TERRNO, cleanup_fn,
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"%s:%d: fstat(%d,%p) failed", file, lineno, fd, buf);
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}
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return rval;
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}
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#define SAFE_FSTAT(cleanup_fn, fd, buf) \
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safe_fstat(__FILE__, __LINE__, (cleanup_fn), (fd), (buf))
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static inline int safe_lstat(const char *file, const int lineno,
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void (cleanup_fn)(void), const char *path, struct stat *buf)
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{
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int rval;
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rval = lstat(path, buf);
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if (rval == -1) {
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tst_brkm(TBROK | TERRNO, cleanup_fn,
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"%s:%d: lstat(%s,%p) failed", file, lineno, path, buf);
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}
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return rval;
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}
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#define SAFE_LSTAT(cleanup_fn, path, buf) \
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safe_lstat(__FILE__, __LINE__, (cleanup_fn), (path), (buf))
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static inline off_t safe_lseek(const char *file, const int lineno,
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void (cleanup_fn)(void), int fd, off_t offset, int whence)
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{
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off_t rval;
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rval = lseek(fd, offset, whence);
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if (rval == (off_t) -1) {
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tst_brkm(TBROK | TERRNO, cleanup_fn,
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"%s:%d: lseek(%d,%ld,%d) failed",
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file, lineno, fd, (long)offset, whence);
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}
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return rval;
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}
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#define SAFE_LSEEK(cleanup_fn, fd, offset, whence) \
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safe_lseek(__FILE__, __LINE__, cleanup_fn, (fd), (offset), (whence))
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static inline int safe_getrlimit(const char *file, const int lineno,
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void (cleanup_fn)(void), int resource, struct rlimit *rlim)
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{
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int rval;
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rval = getrlimit(resource, rlim);
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if (rval == -1) {
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tst_brkm(TBROK | TERRNO, cleanup_fn,
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"%s:%d: getrlimit(%d,%p) failed",
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file, lineno, resource, rlim);
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}
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return rval;
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}
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#define SAFE_GETRLIMIT(cleanup_fn, resource, rlim) \
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safe_getrlimit(__FILE__, __LINE__, (cleanup_fn), (resource), (rlim))
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static inline int safe_setrlimit(const char *file, const int lineno,
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void (cleanup_fn)(void), int resource, const struct rlimit *rlim)
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{
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int rval;
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rval = setrlimit(resource, rlim);
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if (rval == -1) {
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tst_brkm(TBROK | TERRNO, cleanup_fn,
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"%s:%d: setrlimit(%d,%p) failed",
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file, lineno, resource, rlim);
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}
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return rval;
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}
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#define SAFE_SETRLIMIT(cleanup_fn, resource, rlim) \
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safe_setrlimit(__FILE__, __LINE__, (cleanup_fn), (resource), (rlim))
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#define SAFE_OPENDIR(cleanup_fn, name) \
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safe_opendir(__FILE__, __LINE__, (cleanup_fn), (name))
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#define SAFE_CLOSEDIR(cleanup_fn, dirp) \
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safe_closedir(__FILE__, __LINE__, (cleanup_fn), (dirp))
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#define SAFE_READDIR(cleanup_fn, dirp) \
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safe_readdir(__FILE__, __LINE__, (cleanup_fn), (dirp))
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#define SAFE_IOCTL(cleanup_fn, fd, request, ...) \
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({int ret = ioctl(fd, request, __VA_ARGS__); \
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if (ret < 0) \
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tst_brkm(TBROK | TERRNO, cleanup_fn, \
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"ioctl(%i,%s,...) failed", fd, #request); \
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ret;})
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#endif /* __SAFE_MACROS_H__ */
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#endif /* __TEST_H__ */
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