Red Bear OS
1b3e94a20d
From release 0.1.0 pre-patched archive. This includes all Red Bear modifications previously maintained as patches in local/patches/relibc/.
71 lines
1.7 KiB
C
71 lines
1.7 KiB
C
#include <assert.h>
|
|
#include <signal.h>
|
|
#include <string.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
#include <errno.h>
|
|
|
|
#include "test_helpers.h"
|
|
|
|
void handler1(int sig) {
|
|
assert(sig == SIGUSR1);
|
|
char *str = "Signal handler1 called!\n";
|
|
write(STDOUT_FILENO, str, strlen(str));
|
|
}
|
|
|
|
sigset_t the_set = { 0 };
|
|
|
|
void handler2(int sig, siginfo_t *info, void *context_raw) {
|
|
assert(sig == SIGUSR1);
|
|
char *str = "Signal handler2 called!\n";
|
|
write(STDOUT_FILENO, str, strlen(str));
|
|
|
|
assert(info != NULL);
|
|
assert(info->si_signo == SIGUSR1);
|
|
#ifndef __linux
|
|
// TODO: SI_TKILL?
|
|
assert(info->si_code == SI_USER);
|
|
assert(info->si_pid == getpid());
|
|
assert(info->si_uid == getuid());
|
|
#endif
|
|
|
|
ucontext_t *context = context_raw;
|
|
assert(context != NULL);
|
|
#ifndef __linux__ // TODO
|
|
assert(memcmp(&context->uc_sigmask, &the_set, sizeof(sigset_t)));
|
|
assert(context->uc_link == NULL);
|
|
#endif
|
|
}
|
|
|
|
int main(void) {
|
|
struct sigaction sa1 = { .sa_handler = handler1 };
|
|
struct sigaction sa2 = { .sa_sigaction = handler2, .sa_flags = SA_SIGINFO };
|
|
struct sigaction saold = {0};
|
|
|
|
sigemptyset(&sa1.sa_mask);
|
|
sigemptyset(&sa2.sa_mask);
|
|
|
|
int status = sigprocmask(SIG_SETMASK, NULL, &the_set);
|
|
ERROR_IF(sigprocmask, status, == -1);
|
|
|
|
int rcode = sigaction(SIGUSR1, &sa1, NULL);
|
|
ERROR_IF(signal, rcode, != 0);
|
|
|
|
puts("Raising...");
|
|
|
|
int raise_status = raise(SIGUSR1);
|
|
ERROR_IF(raise, raise_status, < 0);
|
|
|
|
rcode = sigaction(SIGUSR1, &sa2, &saold);
|
|
ERROR_IF(signal, rcode, != 0);
|
|
ERROR_IF(signal, saold.sa_handler, != sa1.sa_handler);
|
|
|
|
puts("Raising...");
|
|
|
|
raise_status = raise(SIGUSR1);
|
|
ERROR_IF(raise, raise_status, < 0);
|
|
|
|
puts("Raised.");
|
|
}
|