diff options
Diffstat (limited to 'src/process_group.c')
| -rw-r--r-- | src/process_group.c | 48 |
1 files changed, 10 insertions, 38 deletions
diff --git a/src/process_group.c b/src/process_group.c index cb84deb..f1be459 100644 --- a/src/process_group.c +++ b/src/process_group.c @@ -48,10 +48,7 @@ int find_process_by_pid(pid_t pid) // negative pid, if it is found but it's not possible to control it int find_process_by_name(const char *process_name) { - //whether the variable process_name is the absolute path or not - int is_absolute_path = process_name[0] == '/'; - //flag indicating if the a process with given name was found - int found = 0; + //pid of the target process pid_t pid = -1; //process iterator @@ -63,47 +60,22 @@ int find_process_by_name(const char *process_name) init_process_iterator(&it, &filter); while (get_next_process(&it, &proc) != -1) { - pid = proc.pid; - int size = strlen(proc.command); - - found = 0; - if (is_absolute_path && strncmp(proc.command, process_name, size)==0 && size==strlen(process_name)) { - //process found - found = 1; - } - else { - //process found - if (strncmp(proc.command + size - strlen(process_name), process_name, strlen(process_name))==0) { - found = 1; - } - } - if (found==1) { - if (kill(pid,SIGCONT)==0) { - //process is ok! - break; - } - else { - //we don't have permission to send signal to that process - //so, don't exit from the loop and look for another one with the same name - found = -1; - } + //process found + if (strncmp(basename(proc.command), process_name, strlen(process_name))==0 && kill(pid,SIGCONT)==0) { + //process is ok! + pid = proc.pid; + break; } } - if (close_process_iterator(&it) != 1) exit(1); - if (found == 1) { + if (close_process_iterator(&it) != 0) exit(1); + if (pid >= 0) { //ok, the process was found return pid; } - else if (found == 0) { - //no process found + else { + //process not found return 0; } - else if (found == -1) { - //the process was found, but we haven't permission to control it - return -pid; - } - //this MUST NOT happen - exit(2); } int init_process_group(struct process_group *pgroup, int target_pid, int include_children) |