From e766f6213259d4cb3b3b0ce09aa43690215bfe4e Mon Sep 17 00:00:00 2001 From: Alexander Shishkin Date: Wed, 29 Jul 2009 01:35:13 +0200 Subject: 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 Signed-off-by: Denys Vlasenko --- libbb/procps.c | 18 ++++++++++++------ 1 file changed, 12 insertions(+), 6 deletions(-) (limited to 'libbb/procps.c') 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; -- cgit v1.2.3