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Code Issues Releases Wiki Activity

add research for usage for subprocess

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winlin 2014-06-11 11:03:22 +08:00
parent cccc483ab3
commit b7d8be46a1
2 changed files with 86 additions and 0 deletions
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32
trunk/research/python-subprocess/python.subprocess.cpp Normal file
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#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
/**
# always to print to stdout and stderr.
g++ python.subprocess.cpp -o python.subprocess
*/
int main(int argc, char** argv) {
if (argc <= 2) {
printf("Usage: <%s> <interval_ms> <max_loop>\n"
" %s 50 100000\n", argv[0], argv[0]);
exit(-1);
return -1;
}
int interval_ms = ::atoi(argv[1]);
int max_loop = ::atoi(argv[2]);
printf("always to print to stdout and stderr.\n");
printf("interval: %d ms\n", interval_ms);
printf("max_loop: %d\n", max_loop);
for (int i = 0; i < max_loop; i++) {
fprintf(stdout, "always to print to stdout and stderr. interval=%dms, max=%d, current=%d\n", interval_ms, max_loop, i);
fprintf(stderr, "always to print to stdout and stderr. interval=%dms, max=%d, current=%d\n", interval_ms, max_loop, i);
if (interval_ms > 0) {
usleep(interval_ms * 1000);
}
}
return 0;
}