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generic sighandler

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This commit is contained in:
okan 2014-09-06 16:24:32 +00:00
parent 140f8b9eba
commit 977992626a
1 changed files with 12 additions and 9 deletions
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21
calmwm.c
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@ -48,7 +48,7 @@ struct conf Conf;
const char *homedir;
volatile sig_atomic_t cwm_status;
static void sigchld_cb(int);
static void sighdlr(int);
static int x_errorhandler(Display *, XErrorEvent *);
static void x_init(const char *);
static void x_restart(char **);
@ -84,7 +84,7 @@ main(int argc, char **argv)
argc -= optind;
argv += optind;
if (signal(SIGCHLD, sigchld_cb) == SIG_ERR)
if (signal(SIGCHLD, sighdlr) == SIG_ERR)
err(1, "signal");
if ((homedir = getenv("HOME")) == NULL || *homedir == '\0') {
@ -205,16 +205,19 @@ x_errorhandler(Display *dpy, XErrorEvent *e)
}
static void
sigchld_cb(int which)
sighdlr(int sig)
{
pid_t pid;
int save_errno = errno;
int status;
int save_errno = errno, status;
/* Collect dead children. */
while ((pid = waitpid(-1, &status, WNOHANG)) > 0 ||
(pid < 0 && errno == EINTR))
;
switch (sig) {
case SIGCHLD:
/* Collect dead children. */
while ((pid = waitpid(WAIT_ANY, &status, WNOHANG)) > 0 ||
(pid < 0 && errno == EINTR))
;
break;
}
errno = save_errno;
}