kaguya
41 lines
785 B
C++
41 lines
785 B
C++
#include <bits/ensure.h>
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#include <errno.h>
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#include <mlibc/debug.hpp>
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#include <mlibc/linux-sysdeps.hpp>
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#include <sys/pidfd.h>
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int pidfd_open(pid_t pid, unsigned int flags) {
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auto sysdep = MLIBC_CHECK_OR_ENOSYS(mlibc::sys_pidfd_open, -1);
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int fd = 0;
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if(int e = sysdep(pid, flags, &fd); e) {
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errno = e;
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return -1;
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}
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return fd;
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}
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pid_t pidfd_getpid(int fd) {
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auto sysdep = MLIBC_CHECK_OR_ENOSYS(mlibc::sys_pidfd_getpid, -1);
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pid_t pid = 0;
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if(int e = sysdep(fd, &pid); e) {
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errno = e;
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return -1;
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}
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return pid;
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}
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int pidfd_send_signal(int pidfd, int sig, siginfo_t *info, unsigned int flags) {
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auto sysdep = MLIBC_CHECK_OR_ENOSYS(mlibc::sys_pidfd_send_signal, -1);
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if(int e = sysdep(pidfd, sig, info, flags); e) {
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errno = e;
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return -1;
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}
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return 0;
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}
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