diff options
| author | Ben Lindstrom <mouring@eviladmin.org> | 2003-08-25 01:16:21 +0000 |
|---|---|---|
| committer | Ben Lindstrom <mouring@eviladmin.org> | 2003-08-25 01:16:21 +0000 |
| commit | 5ade9abc37df3dacacbe20104877ca6dab61082a (patch) | |
| tree | b3a521b87d93ecc0f1f17f4e659c1d4bf90f86f5 /openbsd-compat | |
| parent | af4a6c3a5619299a16cfbb545cde110849596204 (diff) | |
- (bal) redo how we handle 'mysignal()'. Move it to
openbsd-compat/bsd-misc.c, s/mysignal/signal/ and #define signal to
be our 'mysignal' by default. OK djm@
Diffstat (limited to 'openbsd-compat')
| -rw-r--r-- | openbsd-compat/bsd-misc.c | 28 | ||||
| -rw-r--r-- | openbsd-compat/bsd-misc.h | 8 |
2 files changed, 34 insertions, 2 deletions
diff --git a/openbsd-compat/bsd-misc.c b/openbsd-compat/bsd-misc.c index 56cb45ad..08b089bd 100644 --- a/openbsd-compat/bsd-misc.c +++ b/openbsd-compat/bsd-misc.c @@ -25,7 +25,7 @@ #include "includes.h" #include "xmalloc.h" -RCSID("$Id: bsd-misc.c,v 1.18 2003/08/21 23:34:42 djm Exp $"); +RCSID("$Id: bsd-misc.c,v 1.19 2003/08/25 01:16:21 mouring Exp $"); /* * NB. duplicate __progname in case it is an alias for argv[0] @@ -200,3 +200,29 @@ tcsendbreak(int fd, int duration) # endif } #endif /* HAVE_TCSENDBREAK */ + +mysig_t +mysignal(int sig, mysig_t act) +{ +#ifdef HAVE_SIGACTION + struct sigaction sa, osa; + + if (sigaction(sig, NULL, &osa) == -1) + return (mysig_t) -1; + if (osa.sa_handler != act) { + memset(&sa, 0, sizeof(sa)); + sigemptyset(&sa.sa_mask); + sa.sa_flags = 0; +#ifdef SA_INTERRUPT + if (sig == SIGALRM) + sa.sa_flags |= SA_INTERRUPT; +#endif + sa.sa_handler = act; + if (sigaction(sig, &sa, NULL) == -1) + return (mysig_t) -1; + } + return (osa.sa_handler); +#else + return (signal(sig, act)); +#endif +} diff --git a/openbsd-compat/bsd-misc.h b/openbsd-compat/bsd-misc.h index 2857de59..0d6076ab 100644 --- a/openbsd-compat/bsd-misc.h +++ b/openbsd-compat/bsd-misc.h @@ -22,7 +22,7 @@ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ -/* $Id: bsd-misc.h,v 1.11 2003/08/21 23:34:42 djm Exp $ */ +/* $Id: bsd-misc.h,v 1.12 2003/08/25 01:16:22 mouring Exp $ */ #ifndef _BSD_MISC_H #define _BSD_MISC_H @@ -97,4 +97,10 @@ pid_t tcgetpgrp(int); int tcsendbreak(int, int); #endif +/* wrapper for signal interface */ +typedef void (*mysig_t)(int); +mysig_t mysignal(int sig, mysig_t act); + +#define signal(a,b) mysignal(a,b) + #endif /* _BSD_MISC_H */ |