source:
src/benchmark/create_pthrd.c
@
4ee1efb
Last change on this file since 4ee1efb was eb2fe4f, checked in by , 7 years ago | |
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File size: 550 bytes |
Rev | Line | |
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[5013c62] | 1 | #include <pthread.h> |
2 | #include <err.h> | |
3 | #include <stdlib.h> | |
4 | #include <stdio.h> | |
5 | ||
6 | static void *foo(void *arg) { | |
7 | return arg; | |
8 | } | |
9 | ||
10 | int main(int argc, char* argv[]) { | |
11 | size_t n = 1000000; | |
12 | if( argc > 2 ) return 1; | |
13 | if( argc == 2 ) { | |
14 | n = atoi(argv[1]); | |
15 | } | |
[eb2fe4f] | 16 | printf("create %lu pthreads ... ", n); |
[5013c62] | 17 | |
18 | for (size_t i = 0; i < n; i++) { | |
[d6ff3ff] | 19 | pthread_t thread; |
20 | if (pthread_create(&thread, NULL, foo, NULL) < 0) { | |
[eb2fe4f] | 21 | perror( "failure" ); |
[5013c62] | 22 | return 1; |
23 | } | |
[d6ff3ff] | 24 | |
25 | if (pthread_join( thread, NULL) < 0) { | |
[eb2fe4f] | 26 | perror( "failure" ); |
[5013c62] | 27 | return 1; |
28 | } | |
29 | } | |
[eb2fe4f] | 30 | printf("finish\n"); |
[5013c62] | 31 | } |
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