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25 lines
610 B
25 lines
610 B
4 months ago
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// RUN: %clangxx_tsan -O1 %s -o %t && %run %t %t.tmp 2>&1 | FileCheck %s
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#include <stdio.h>
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#include <assert.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <sys/stat.h>
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int main(int argc, char *argv[]) {
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fprintf(stderr, "Hello world.\n");
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assert(argv[1]);
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unlink(argv[1]);
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int fd = open(argv[1], O_RDWR | O_CREAT, 0600);
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assert(fd != -1);
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struct stat info;
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int result = fstat(fd, &info);
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fprintf(stderr, "permissions = 0%o\n", info.st_mode & ~S_IFMT);
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assert(result == 0);
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close(fd);
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fprintf(stderr, "Done.\n");
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}
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// CHECK: Hello world.
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// CHECK: permissions = 0600
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// CHECK: Done.
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