diff options
| author | Alexander Shishkin <virtuoso@slind.org> | 2009-07-29 01:35:13 +0200 |
|---|---|---|
| committer | Denys Vlasenko <vda.linux@googlemail.com> | 2009-07-29 01:35:13 +0200 |
| commit | e766f6213259d4cb3b3b0ce09aa43690215bfe4e (patch) | |
| tree | 8a73d1e4a4408e3bec91f31695612f2aeaa4f4d8 /libbb/procps.c | |
| parent | 09449630fbf0331a76a9d055fcbff0774c57ab65 (diff) | |
| download | busybox-e766f6213259d4cb3b3b0ce09aa43690215bfe4e.tar.gz | |
make find_pid_by_name look at /proc/PID/exe too
function old new delta
procps_scan 1642 1709 +67
find_pid_by_name 193 223 +30
free_procps_scan 29 37 +8
Signed-off-by: Alexander Shishkin <virtuoso@slind.org>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'libbb/procps.c')
| -rw-r--r-- | libbb/procps.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/libbb/procps.c b/libbb/procps.c index 6e122c4d5..307d8d622 100644 --- a/libbb/procps.c +++ b/libbb/procps.c @@ -111,6 +111,7 @@ void FAST_FUNC free_procps_scan(procps_status_t* sp) { closedir(sp->dir); free(sp->argv0); + free(sp->exe); IF_SELINUX(free(sp->context);) free(sp); } @@ -213,7 +214,7 @@ procps_status_t* FAST_FUNC procps_scan(procps_status_t* sp, int flags) } #endif - filename_tail = filename + sprintf(filename, "/proc/%d", pid); + filename_tail = filename + sprintf(filename, "/proc/%u/", pid); if (flags & PSSCAN_UIDGID) { if (stat(filename, &sb)) @@ -230,7 +231,7 @@ procps_status_t* FAST_FUNC procps_scan(procps_status_t* sp, int flags) unsigned long vsz, rss; #endif /* see proc(5) for some details on this */ - strcpy(filename_tail, "/stat"); + strcpy(filename_tail, "stat"); n = read_to_buf(filename, buf); if (n < 0) break; @@ -340,7 +341,7 @@ procps_status_t* FAST_FUNC procps_scan(procps_status_t* sp, int flags) if (flags & (PSSCAN_SMAPS)) { FILE *file; - strcpy(filename_tail, "/smaps"); + strcpy(filename_tail, "smaps"); file = fopen_for_read(filename); if (!file) break; @@ -390,7 +391,7 @@ procps_status_t* FAST_FUNC procps_scan(procps_status_t* sp, int flags) if (flags & PSSCAN_RUIDGID) { FILE *file; - strcpy(filename_tail, "/status"); + strcpy(filename_tail, "status"); file = fopen_for_read(filename); if (!file) break; @@ -415,7 +416,7 @@ procps_status_t* FAST_FUNC procps_scan(procps_status_t* sp, int flags) sp->argv0 = NULL; free(sp->cmd); sp->cmd = NULL; - strcpy(filename_tail, "/cmdline"); + strcpy(filename_tail, "cmdline"); /* TODO: to get rid of size limits, read into malloc buf, * then realloc it down to real size. */ n = read_to_buf(filename, buf); @@ -436,7 +437,7 @@ procps_status_t* FAST_FUNC procps_scan(procps_status_t* sp, int flags) if (flags & (PSSCAN_ARGV0|PSSCAN_ARGVN)) { free(sp->argv0); sp->argv0 = NULL; - strcpy(filename_tail, "/cmdline"); + strcpy(filename_tail, "cmdline"); n = read_to_buf(filename, buf); if (n <= 0) break; @@ -451,6 +452,11 @@ procps_status_t* FAST_FUNC procps_scan(procps_status_t* sp, int flags) } } #endif + if (flags & PSSCAN_EXE) { + strcpy(filename_tail, "exe"); + free(sp->exe); + sp->exe = xmalloc_readlink(filename); + } break; } return sp; |