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lsof: Add support for printing open files for a single process 

Change-Id: If2afa0937064dffca6df2a8642ca75009dc6e70e
Signed-off-by: Mike Lockwood <lockwood@android.com>
This commit is contained in:
Mike Lockwood 2010-12-22 16:37:36 -05:00
parent 752923c168
commit 794cc3fdd3
1 changed files with 25 additions and 16 deletions
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41
toolbox/lsof.c
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@ -196,28 +196,37 @@ void lsof_dumpinfo(pid_t pid)
int lsof_main(int argc, char *argv[])
{
DIR *dir = opendir("/proc");
if (dir == NULL) {
fprintf(stderr, "Couldn't open /proc\n");
return -1;
long int pid = 0;
char* endptr;
if (argc == 2) {
pid = strtol(argv[1], &endptr, 10);
}
print_header();
struct dirent* de;
while ((de = readdir(dir))) {
if (!strcmp(de->d_name, ".") || !strcmp(de->d_name, ".."))
continue;
// Only inspect directories that are PID numbers
char* endptr;
long int pid = strtol(de->d_name, &endptr, 10);
if (*endptr != '\0')
continue;
if (pid) {
lsof_dumpinfo(pid);
} else {
DIR *dir = opendir("/proc");
if (dir == NULL) {
fprintf(stderr, "Couldn't open /proc\n");
return -1;
}
struct dirent* de;
while ((de = readdir(dir))) {
if (!strcmp(de->d_name, ".") || !strcmp(de->d_name, ".."))
continue;
// Only inspect directories that are PID numbers
pid = strtol(de->d_name, &endptr, 10);
if (*endptr != '\0')
continue;
lsof_dumpinfo(pid);
}
closedir(dir);
}
closedir(dir);
return 0;
}