/* vi: set sw=4 ts=4: */ /* * sigprocmask() for uClibc * * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org> * * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. */ #include <sys/syscall.h> #include <signal.h> #undef sigprocmask libc_hidden_proto(sigprocmask) #ifdef __NR_rt_sigprocmask # define __NR___rt_sigprocmask __NR_rt_sigprocmask static inline _syscall4(int, __rt_sigprocmask, int, how, const sigset_t *, set, sigset_t *, oldset, size_t, size); int sigprocmask(int how, const sigset_t * set, sigset_t * oldset) { if (set && # if (SIG_BLOCK == 0) && (SIG_UNBLOCK == 1) && (SIG_SETMASK == 2) (((unsigned int) how) > 2) #elif (SIG_BLOCK == 1) && (SIG_UNBLOCK == 2) && (SIG_SETMASK == 3) (((unsigned int)(how-1)) > 2) # else # warning "compile time assumption violated.. slow path..." ((how != SIG_BLOCK) && (how != SIG_UNBLOCK) && (how != SIG_SETMASK)) # endif ) { __set_errno(EINVAL); return -1; } return __rt_sigprocmask(how, set, oldset, _NSIG / 8); } #else # define __NR___syscall_sigprocmask __NR_sigprocmask static inline _syscall3(int, __syscall_sigprocmask, int, how, const sigset_t *, set, sigset_t *, oldset); int sigprocmask(int how, const sigset_t * set, sigset_t * oldset) { if (set && # if (SIG_BLOCK == 0) && (SIG_UNBLOCK == 1) && (SIG_SETMASK == 2) (((unsigned int) how) > 2) #elif (SIG_BLOCK == 1) && (SIG_UNBLOCK == 2) && (SIG_SETMASK == 3) (((unsigned int)(how-1)) > 2) # else # warning "compile time assumption violated.. slow path..." ((how != SIG_BLOCK) && (how != SIG_UNBLOCK) && (how != SIG_SETMASK)) # endif ) { __set_errno(EINVAL); return -1; } return (__syscall_sigprocmask(how, set, oldset)); } #endif libc_hidden_def(sigprocmask)