1dc838717a
Add missing includes and use SYS_pipe2 instead of SYS_pipe as it's not present on some arches. Differential Revision: https://reviews.llvm.org/D102311
46 lines
1.1 KiB
C
46 lines
1.1 KiB
C
#include <fcntl.h>
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#include <sanitizer/linux_syscall_hooks.h>
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#include <signal.h>
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#include <sys/syscall.h>
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#include <sys/types.h>
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#include <unistd.h>
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int myfork() {
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__sanitizer_syscall_pre_fork();
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#ifdef SYS_fork
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int res = syscall(SYS_fork);
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#else
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int res = syscall(SYS_clone, SIGCHLD, 0);
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#endif
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__sanitizer_syscall_post_fork(res);
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return res;
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}
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int mypipe(int pipefd[2]) {
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__sanitizer_syscall_pre_pipe(pipefd);
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int res = syscall(SYS_pipe2, pipefd, 0);
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__sanitizer_syscall_post_pipe(res, pipefd);
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return res;
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}
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int myclose(int fd) {
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__sanitizer_syscall_pre_close(fd);
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int res = syscall(SYS_close, fd);
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__sanitizer_syscall_post_close(res, fd);
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return res;
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}
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ssize_t myread(int fd, void *buf, size_t count) {
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__sanitizer_syscall_pre_read(fd, buf, count);
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ssize_t res = syscall(SYS_read, fd, buf, count);
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__sanitizer_syscall_post_read(res, fd, buf, count);
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return res;
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}
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ssize_t mywrite(int fd, const void *buf, size_t count) {
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__sanitizer_syscall_pre_write(fd, buf, count);
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ssize_t res = syscall(SYS_write, fd, buf, count);
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__sanitizer_syscall_post_write(res, fd, buf, count);
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return res;
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}
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