source: src/benchmark/interrupt_linux.c @ 3373f87

aaron-thesisarm-ehcleanup-dtorsdeferred_resndemanglerjacob/cs343-translationjenkins-sandboxnew-astnew-ast-unique-exprnew-envno_listpersistent-indexerresolv-newwith_gc
Last change on this file since 3373f87 was 3373f87, checked in by Thierry Delisle <tdelisle@…>, 4 years ago

Added simple benchmark to measure interrupt delivering cost

  • Property mode set to 100644
File size: 788 bytes
Line 
1#include <pthread.h>
2#include <stdlib.h>
3#include <signal.h>
4
5#define __CFA_SIGCXT__ ucontext_t *
6#define __CFA_SIGPARMS__ __attribute__((unused)) int sig, __attribute__((unused)) siginfo_t *sfp, __attribute__((unused)) __CFA_SIGCXT__ cxt
7
8void sigHandler( __CFA_SIGPARMS__ ) {
9        sigset_t mask;
10        sigemptyset( &mask );
11        sigaddset( &mask, SIGUSR1 );
12
13        if ( sigprocmask( SIG_UNBLOCK, &mask, NULL ) == -1 ) {
14                abort();
15        } // if
16}
17
18int main() {
19
20        struct sigaction act;
21
22        act.sa_sigaction = (void (*)(int, siginfo_t *, void *))sigHandler;
23        sigemptyset( &act.sa_mask );
24        sigaddset( &act.sa_mask, SIGUSR1 );
25
26        act.sa_flags = SA_SIGINFO;
27
28        if ( sigaction( SIGUSR1, &act, NULL ) == -1 ) {
29                abort();
30        } // if
31
32        for( int i = 0; i < 50000000ul; i++ ) {
33                pthread_kill( pthread_self(), SIGUSR1 );
34        }
35}
Note: See TracBrowser for help on using the repository browser.