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Darwin: use merged command line helpers

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This commit is contained in:
Christian Göttsche 2021-05-18 23:29:57 +02:00 committed by BenBE
parent 7892ac68fb
commit 8ff4eb72ac
1 changed files with 24 additions and 16 deletions
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40
darwin/DarwinProcess.c
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@ -96,11 +96,23 @@ static int DarwinProcess_compareByKey(const Process* v1, const Process* v2, Proc
}
}
static char* DarwinProcess_getCmdLine(const struct kinfo_proc* k, int* cmdlineBasenameEnd) {
static void DarwinProcess_updateExe(pid_t pid, Process* proc) {
char path[PROC_PIDPATHINFO_MAXSIZE];
int r = proc_pidpath(pid, path, sizeof(path));
if (r <= 0)
return;
Process_updateExe(proc, path);
}
static void DarwinProcess_updateCmdLine(const struct kinfo_proc* k, Process* proc) {
Process_updateComm(proc, k->kp_proc.p_comm);
/* This function is from the old Mac version of htop. Originally from ps? */
int mib[3], argmax, nargs, c = 0;
size_t size;
char *procargs, *sp, *np, *cp, *retval;
char *procargs, *sp, *np, *cp;
/* Get the maximum process arguments size. */
mib[0] = CTL_KERN;
@ -194,7 +206,7 @@ static char* DarwinProcess_getCmdLine(const struct kinfo_proc* k, int* cmdlineBa
/* Save where the argv[0] string starts. */
sp = cp;
*cmdlineBasenameEnd = 0;
int end = 0;
for ( np = NULL; c < nargs && cp < &procargs[size]; cp++ ) {
if ( *cp == '\0' ) {
c++;
@ -204,8 +216,8 @@ static char* DarwinProcess_getCmdLine(const struct kinfo_proc* k, int* cmdlineBa
}
/* Note location of current '\0'. */
np = cp;
if (*cmdlineBasenameEnd == 0) {
*cmdlineBasenameEnd = cp - sp;
if (end == 0) {
end = cp - sp;
}
}
}
@ -218,26 +230,22 @@ static char* DarwinProcess_getCmdLine(const struct kinfo_proc* k, int* cmdlineBa
/* Empty or unterminated string. */
goto ERROR_B;
}
if (*cmdlineBasenameEnd == 0) {
*cmdlineBasenameEnd = np - sp;
if (end == 0) {
end = np - sp;
}
/* Make a copy of the string. */
retval = xStrdup(sp);
Process_updateCmdline(proc, sp, 0, end);
/* Clean up. */
free( procargs );
return retval;
return;
ERROR_B:
free( procargs );
ERROR_A:
*cmdlineBasenameEnd = -1;
retval = xStrdup(k->kp_proc.p_comm);
return retval;
Process_updateCmdline(proc, k->kp_proc.p_comm, 0, strlen(k->kp_proc.p_comm));
}
void DarwinProcess_setFromKInfoProc(Process* proc, const struct kinfo_proc* ps, bool exists) {
@ -284,8 +292,8 @@ void DarwinProcess_setFromKInfoProc(Process* proc, const struct kinfo_proc* ps,
proc->starttime_ctime = ep->p_starttime.tv_sec;
Process_fillStarttimeBuffer(proc);
proc->cmdline = DarwinProcess_getCmdLine(ps, &proc->cmdlineBasenameEnd);
proc->mergedCommand.cmdlineChanged = true;
DarwinProcess_updateExe(ep->p_pid, proc);
DarwinProcess_updateCmdLine(ps, proc);
}
/* Mutable information */