diff options
Diffstat (limited to 'lib/mlibc/options/posix/generic/posix_signal.cpp')
-rw-r--r-- | lib/mlibc/options/posix/generic/posix_signal.cpp | 151 |
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(); -} - |