aboutsummaryrefslogtreecommitdiff
path: root/lib/mlibc/options/posix/generic/posix_signal.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'lib/mlibc/options/posix/generic/posix_signal.cpp')
-rw-r--r--lib/mlibc/options/posix/generic/posix_signal.cpp151
1 files changed, 0 insertions, 151 deletions
diff --git a/lib/mlibc/options/posix/generic/posix_signal.cpp b/lib/mlibc/options/posix/generic/posix_signal.cpp
deleted file mode 100644
index eef3ef3..0000000
--- a/lib/mlibc/options/posix/generic/posix_signal.cpp
+++ /dev/null
@@ -1,151 +0,0 @@
-
-#include <errno.h>
-#include <signal.h>
-#include <unistd.h>
-#include <bits/ensure.h>
-
-#include <mlibc/posix-sysdeps.hpp>
-#include <mlibc/tcb.hpp>
-
-int sigsuspend(const sigset_t *sigmask) {
- MLIBC_CHECK_OR_ENOSYS(mlibc::sys_sigsuspend, -1);
-
- // This is guaranteed to return an error (EINTR most probably)
- errno = mlibc::sys_sigsuspend(sigmask);
- return -1;
-}
-
-int pthread_sigmask(int how, const sigset_t *__restrict set, sigset_t *__restrict retrieve) {
- if(!mlibc::sys_sigprocmask) {
- MLIBC_MISSING_SYSDEP();
- return ENOSYS;
- }
- if(int e = mlibc::sys_sigprocmask(how, set, retrieve); e) {
- return e;
- }
- return 0;
-}
-
-int pthread_kill(pthread_t thread, int sig) {
- auto tcb = reinterpret_cast<Tcb *>(thread);
- auto pid = getpid();
-
- if(!mlibc::sys_tgkill) {
- MLIBC_MISSING_SYSDEP();
- return ENOSYS;
- }
-
- if(int e = mlibc::sys_tgkill(pid, tcb->tid, sig); e) {
- return e;
- }
-
- return 0;
-}
-
-int sigaction(int signum, const struct sigaction *__restrict act, struct sigaction *__restrict oldact) {
- MLIBC_CHECK_OR_ENOSYS(mlibc::sys_sigaction, -1);
- if(int e = mlibc::sys_sigaction(signum, act, oldact); e) {
- errno = e;
- return -1;
- }
- return 0;
-}
-
-int siginterrupt(int sig, int flag) {
- int ret;
- struct sigaction act;
-
- sigaction(sig, NULL, &act);
- if (flag)
- act.sa_flags &= ~SA_RESTART;
- else
- act.sa_flags |= SA_RESTART;
-
- ret = sigaction(sig, &act, NULL);
- return ret;
-}
-
-int kill(pid_t pid, int number) {
- MLIBC_CHECK_OR_ENOSYS(mlibc::sys_kill, -1);
- if(int e = mlibc::sys_kill(pid, number); e) {
- errno = e;
- return -1;
- }
- return 0;
-}
-
-int killpg(pid_t pgrp, int sig) {
- if(pgrp > 1) {
- return kill(-pgrp, sig);
- }
-
- errno = EINVAL;
- return -1;
-}
-
-int sigtimedwait(const sigset_t *__restrict set, siginfo_t *__restrict info, const struct timespec *__restrict timeout) {
- auto sysdep = MLIBC_CHECK_OR_ENOSYS(mlibc::sys_sigtimedwait, -1);
-
- int signo;
-
- if (int e = sysdep(set, info, timeout, &signo)) {
- errno = e;
- return -1;
- }
-
- return signo;
-}
-
-int sigwaitinfo(const sigset_t *__restrict set, siginfo_t *__restrict info) {
- // NOTE: This assumes the sysdep behavior noted in mlibc/posix-sysdeps.hpp
- return sigtimedwait(set, info, nullptr);
-}
-
-int sigwait(const sigset_t *__restrict set, int *__restrict sig) {
- if (int e = sigwaitinfo(set, nullptr); e < 0) {
- return e;
- } else {
- if (sig)
- *sig = e;
-
- return 0;
- }
-}
-
-int sigpending(sigset_t *set) {
- auto sysdep = MLIBC_CHECK_OR_ENOSYS(mlibc::sys_sigpending, -1);
-
- if(int e = sysdep(set)) {
- errno = e;
- return -1;
- }
-
- return 0;
-}
-
-int sigaltstack(const stack_t *__restrict ss, stack_t *__restrict oss) {
- if (ss && ss->ss_size < MINSIGSTKSZ && !(ss->ss_flags & SS_DISABLE)) {
- errno = ENOMEM;
- return -1;
- }
-
- MLIBC_CHECK_OR_ENOSYS(mlibc::sys_sigaltstack, -1);
- if (int e = mlibc::sys_sigaltstack(ss, oss); e) {
- errno = e;
- return -1;
- }
-
- return 0;
-}
-
-#if __MLIBC_GLIBC_OPTION
-int sigisemptyset(const sigset_t *set) {
- return !(*set);
-}
-#endif // __MLIBC_GLIBC_OPTION
-
-int sigqueue(pid_t, int, const union sigval) {
- __ensure(!"sigqueue() not implemented");
- __builtin_unreachable();
-}
-