ADTarm-ehast-experimentalcleanup-dtorsenumforall-pointer-decayjacob/cs343-translationjenkins-sandboxnew-astnew-ast-unique-exprpthread-emulationqualifiedEnum
Last change
on this file since 4ee1efb was
3373f87,
checked in by Thierry Delisle <tdelisle@…>, 7 years ago
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Added simple benchmark to measure interrupt delivering cost
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-
Property mode set to
100644
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File size:
788 bytes
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Rev | Line | |
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[3373f87] | 1 | #include <pthread.h> |
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| 2 | #include <stdlib.h> |
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| 3 | #include <signal.h> |
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| 4 | |
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| 5 | #define __CFA_SIGCXT__ ucontext_t * |
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| 6 | #define __CFA_SIGPARMS__ __attribute__((unused)) int sig, __attribute__((unused)) siginfo_t *sfp, __attribute__((unused)) __CFA_SIGCXT__ cxt |
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| 7 | |
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| 8 | void sigHandler( __CFA_SIGPARMS__ ) { |
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| 9 | sigset_t mask; |
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| 10 | sigemptyset( &mask ); |
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| 11 | sigaddset( &mask, SIGUSR1 ); |
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| 12 | |
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| 13 | if ( sigprocmask( SIG_UNBLOCK, &mask, NULL ) == -1 ) { |
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| 14 | abort(); |
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| 15 | } // if |
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| 16 | } |
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| 17 | |
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| 18 | int main() { |
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| 19 | |
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| 20 | struct sigaction act; |
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| 21 | |
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| 22 | act.sa_sigaction = (void (*)(int, siginfo_t *, void *))sigHandler; |
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| 23 | sigemptyset( &act.sa_mask ); |
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| 24 | sigaddset( &act.sa_mask, SIGUSR1 ); |
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| 25 | |
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| 26 | act.sa_flags = SA_SIGINFO; |
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| 27 | |
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| 28 | if ( sigaction( SIGUSR1, &act, NULL ) == -1 ) { |
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| 29 | abort(); |
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| 30 | } // if |
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| 31 | |
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| 32 | for( int i = 0; i < 50000000ul; i++ ) { |
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| 33 | pthread_kill( pthread_self(), SIGUSR1 ); |
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| 34 | } |
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| 35 | } |
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