diff options
Diffstat (limited to 'src/sigs.c')
| -rwxr-xr-x | src/sigs.c | 55 |
1 files changed, 27 insertions, 28 deletions
@@ -1,4 +1,4 @@ -/* $calcurse: sigs.c,v 1.8 2009/07/05 20:33:23 culot Exp $ */ +/* $calcurse: sigs.c,v 1.9 2009/07/19 16:51:36 culot Exp $ */ /* * Calcurse - text-based organizer @@ -38,10 +38,12 @@ #include <sys/types.h> #include <sys/wait.h> -#include <signal.h> +#include <errno.h> +#include <string.h> #include "i18n.h" #include "utils.h" +#include "sigs.h" /* * General signal handling routine. @@ -50,7 +52,7 @@ * Also catch CTRL-C (SIGINT), and SIGWINCH to resize screen automatically. */ static void -signal_handler (int sig) +generic_hdlr (int sig) { switch (sig) { @@ -65,34 +67,31 @@ signal_handler (int sig) } } -/* Signal handling init. */ -void -sigs_init (struct sigaction *sa) +unsigned +sigs_set_hdlr (int sig, void (*handler)(int)) { - sa->sa_handler = signal_handler; - sa->sa_flags = 0; - sigemptyset (&sa->sa_mask); - if (sigaction (SIGCHLD, sa, NULL) != 0) - { - ERROR_MSG (_("Error handling SIGCHLD signal")); - exit_calcurse (1); - } + struct sigaction sa; - sa->sa_handler = signal_handler; - sa->sa_flags = 0; - sigemptyset (&sa->sa_mask); - if (sigaction (SIGWINCH, sa, NULL) != 0) + memset (&sa, 0, sizeof sa); + sigemptyset (&sa.sa_mask); + sa.sa_handler = handler; + sa.sa_flags = 0; + if (sigaction (sig, &sa, (struct sigaction *)0) == -1) { - ERROR_MSG (_("Error handling SIGWINCH signal")); - exit_calcurse (1); + ERROR_MSG (_("Error setting signal #%d : %s\n"), + sig, strerror (errno)); + return 0; } - sa->sa_handler = SIG_IGN; - sa->sa_flags = 0; - sigemptyset (&(sa->sa_mask)); - if (sigaction (SIGINT, sa, NULL) != 0) - { - ERROR_MSG (_("Error handling SIGINT signal")); - exit_calcurse (1); - } + return 1; +} + +/* Signal handling init. */ +void +sigs_init () +{ + if (!sigs_set_hdlr (SIGCHLD, generic_hdlr) + || !sigs_set_hdlr (SIGWINCH, generic_hdlr) + || !sigs_set_hdlr (SIGINT, SIG_IGN)) + exit_calcurse (1); } |