Files
libgtop/sysdeps/openbsd/glibtop_private.c
Jasper Lievisse Adriaanse 46706961ac Split off OpenBSD code into a separate implementation
Move OpenBSD code into its own sysdeps directory. The changes from
bsd/ were becoming to hard to maintain as a #ifdef tree. This is
what's currently being distributed as part of OpenBSD ports.
2011-06-16 12:27:00 +02:00

57 lines
1.1 KiB
C

/* $OpenBSD: glibtop_private.c,v 1.2 2011/05/23 19:35:53 jasper Exp $ */
#include <config.h>
#include <glibtop.h>
#include <glibtop/error.h>
#include "glibtop_private.h"
#include <sys/types.h>
#include <unistd.h>
#include <string.h>
#include <glib.h>
#include <errno.h>
char *
execute_lsof(pid_t pid) {
char *output = NULL;
char *lsof;
char *command;
int exit_status;
lsof = g_find_program_in_path("lsof");
if (lsof == NULL)
return NULL;
command = g_strdup_printf("%s -n -P -Fftn -p %d", lsof, pid);
g_free(lsof);
if (g_spawn_command_line_sync (command, &output, NULL, &exit_status, NULL)) {
if (exit_status != 0) {
g_warning("Could not execute \"%s\" (%i)\nMake sure lsof(8) is installed sgid kmem.",
command, exit_status);
output = NULL;
}
}
g_free(command);
return output;
}
/* Ported from linux/glibtop_private.c */
gboolean
safe_readlink(const char *path, char *buf, int bufsiz)
{
int ret;
ret = readlink(path, buf, bufsiz - 1);
if (ret == -1) {
g_warning("Could not read link %s : %s", path, strerror(errno));
return FALSE;
}
buf[ret] = '\0';
return TRUE;
}