diff options
author | Christopher Faylor <cgf@redhat.com> | 2000-02-17 19:39:46 +0000 |
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committer | Christopher Faylor <cgf@redhat.com> | 2000-02-17 19:39:46 +0000 |
commit | 6d491d8ad9122891d1a48447e8c49702eb678921 (patch) | |
tree | 45619a131b9f211ceca9fce7a866328344bf00ec /newlib/libc/unix/sigset.c | |
parent | bd592806f45307757c24ec3f75bdefe13abfd51f (diff) | |
download | gdb-cvs/SNAPSHOT.tar.gz |
import newlib-2000-02-17 snapshotcvs/SNAPSHOT
Diffstat (limited to 'newlib/libc/unix/sigset.c')
-rw-r--r-- | newlib/libc/unix/sigset.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/newlib/libc/unix/sigset.c b/newlib/libc/unix/sigset.c new file mode 100644 index 00000000000..ecb3d08001f --- /dev/null +++ b/newlib/libc/unix/sigset.c @@ -0,0 +1,61 @@ +#include <signal.h> +#include <errno.h> + +#ifdef SIG_SETMASK /* easier than trying to remove from Makefile */ + +#undef sigemptyset +int +sigemptyset (sigset_t * set) +{ + *set = (sigset_t) 0; + return 0; +} + +int +sigfillset (sigset_t * set) +{ + *set = ~((sigset_t) 0); + return 0; +} + +#undef sigaddset +int +sigaddset (sigset_t * set, int signo) +{ + if (signo >= NSIG || signo <= 0) + { + errno = EINVAL; + return -1; + } + *set |= 1 << (signo - 1); + return 0; +} + +int +sigdelset (sigset_t * set, int signo) +{ + if (signo >= NSIG || signo <= 0) + { + errno = EINVAL; + return -1; + } + *set &= ~(1 << (signo - 1)); + return 0; +} + +int +sigismember (const sigset_t * set, int signo) +{ + if (signo >= NSIG || signo <= 0) + { + errno = EINVAL; + return -1; + } + + if (*set & (1 << (signo - 1))) + return 1; + else + return 0; +} + +#endif /* SIG_SETMASK */ |