mirror of
git://git.suckless.org/ubase
synced 2024-12-30 02:42:16 +00:00
72 lines
1.1 KiB
C
72 lines
1.1 KiB
C
/* See LICENSE file for copyright and license details. */
|
|
#include <sys/types.h>
|
|
#include <dirent.h>
|
|
#include <libgen.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include "proc.h"
|
|
#include "util.h"
|
|
|
|
static void
|
|
usage(void)
|
|
{
|
|
eprintf("usage: %s [-s] [program...]\n", argv0);
|
|
}
|
|
|
|
int
|
|
main(int argc, char *argv[])
|
|
{
|
|
DIR *dp;
|
|
struct dirent *entry;
|
|
pid_t pid;
|
|
struct procstat ps;
|
|
char cmdline[BUFSIZ], *cmd, *p;
|
|
int i, found = 0;
|
|
int sflag = 0;
|
|
|
|
ARGBEGIN {
|
|
case 's':
|
|
sflag = 1;
|
|
break;
|
|
default:
|
|
usage();
|
|
} ARGEND;
|
|
|
|
if (!argc)
|
|
return 1;
|
|
|
|
if (!(dp = opendir("/proc")))
|
|
eprintf("opendir /proc:");
|
|
|
|
while ((entry = readdir(dp))) {
|
|
if (!pidfile(entry->d_name))
|
|
continue;
|
|
for (i = 0; i < argc; i++) {
|
|
pid = estrtol(entry->d_name, 10);
|
|
parsestat(pid, &ps);
|
|
if (parsecmdline(ps.pid, cmdline,
|
|
sizeof(cmdline)) < 0) {
|
|
cmd = ps.comm;
|
|
} else {
|
|
if ((p = strchr(cmdline, ' ')))
|
|
*p = '\0';
|
|
cmd = basename(cmdline);
|
|
}
|
|
if (strcmp(cmd, argv[i]) == 0) {
|
|
putword(entry->d_name);
|
|
found++;
|
|
if (sflag)
|
|
goto out;
|
|
}
|
|
}
|
|
}
|
|
|
|
out:
|
|
if (found)
|
|
putchar('\n');
|
|
|
|
closedir(dp);
|
|
|
|
return 0;
|
|
}
|