root/cserver/wsignals.c

#include "wsignals.h"
#include "server_utils.h"
#include "wlog.h"

void w_sigemptyset(sigset_t *s)
{
    if (sigemptyset(s))
        fatal("Fatal sigemptyset()");
    return;
}

void w_sigaddset(sigset_t *s, int signum)
{
    if (!sigismember(s,signum))
        if (sigaddset(s,signum))
            fatal("Fatal sigaddset().");
    return;
}

void w_sigdelset(sigset_t *s, int signum)
{
    if (sigismember(s,signum))
        if (sigdelset(s,signum))
            fatal("Fatal sigdelset().");
    return;
}

void w_sigaction(int signum, sigset_t *block, void (*f)(int))
{
    struct sigaction a;
    int res;
    char buf[10];

    memset(&a,0,sizeof(struct sigaction));

    a.sa_handler= f;
    memcpy(&a.sa_mask,block,sizeof(sigset_t));

    if ((res=sigaction(signum, &a, 0))) {
        switch(res) {
        case EFAULT:
            sprintf(buf,"EFAULT");
            break;
        case EINVAL:
            sprintf(buf,"EINVAL:");
            break;
        default:
            sprintf(buf,"EUNKNOW:");
            break;
        }
        fatal("Fatal sigaction(): %s.", buf);
    }
    return;
}