kaguya
46 lines
982 B
C++
46 lines
982 B
C++
#include <sys/shm.h>
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#include <errno.h>
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#include <bits/ensure.h>
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#include <mlibc/debug.hpp>
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#include <mlibc/posix-sysdeps.hpp>
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void *shmat(int shmid, const void *shmaddr, int shmflg) {
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void *ret;
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auto sysdep = MLIBC_CHECK_OR_ENOSYS(mlibc::sys_shmat, ((void *)-1));
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if(int e = sysdep(&ret, shmid, shmaddr, shmflg); e) {
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errno = e;
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return ((void *)-1);
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}
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return ret;
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}
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int shmctl(int shmid, int cmd, struct shmid_ds *buf) {
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int ret;
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auto sysdep = MLIBC_CHECK_OR_ENOSYS(mlibc::sys_shmctl, -1);
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if(int e = sysdep(&ret, shmid, cmd, buf); e) {
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errno = e;
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return -1;
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}
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return ret;
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}
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int shmdt(const void *shmaddr) {
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auto sysdep = MLIBC_CHECK_OR_ENOSYS(mlibc::sys_shmdt, -1);
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if(int e = sysdep(shmaddr); 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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int shmget(key_t key, size_t size, int shmflg) {
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int ret;
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auto sysdep = MLIBC_CHECK_OR_ENOSYS(mlibc::sys_shmget, -1);
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if(int e = sysdep(&ret, key, size, shmflg); e) {
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errno = e;
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return -1;
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}
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return ret;
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}
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