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check return value from system call

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Mark Borgerding 2012-07-18 00:10:47 -04:00
parent 8a01c6085d
commit 8924f4e4ad
1 changed files with 3 additions and 1 deletions
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4
test/pstats.c
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@ -36,7 +36,9 @@ static void ps_report(void)
#else /* GNU/Linux */ #else /* GNU/Linux */
sprintf(buf,"ps -o comm,majflt,minflt,rss,drs,pagein,sz,trs,vsz %d 1>&2",getpid() ); sprintf(buf,"ps -o comm,majflt,minflt,rss,drs,pagein,sz,trs,vsz %d 1>&2",getpid() );
#endif #endif
system( buf ); if (system( buf )==-1) {
perror("system call to ps failed");
}
} }
void pstats_report() void pstats_report()