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Implements the NetBSD specific changes for makeCommandStr refactor.

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Refer to #388 PR for more details.
This commit is contained in:
fraggerfox
2021-05-23 15:00:48 +05:30
committed by BenBE
parent fa65c30976
commit 9de463e756
3 changed files with 28 additions and 20 deletions
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32
netbsd/NetBSDProcessList.c
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@ -114,15 +114,17 @@ static void NetBSDProcessList_scanMemoryInfo(ProcessList* pl) {
pl->usedSwap = uvmexp.swpginuse * pageSizeKB;
}
static char* NetBSDProcessList_readProcessName(kvm_t* kd, const struct kinfo_proc2* kproc, int* basenameEnd) {
static void NetBSDProcessList_updateProcessName(kvm_t* kd, const struct kinfo_proc2* kproc, Process* proc) {
Process_updateComm(proc, kproc->p_comm);
/*
* Like NetBSD's top(1), we try to fall back to the command name
* (argv[0]) if we fail to construct the full command.
*/
char** arg = kvm_getargv2(kd, kproc, 500);
if (arg == NULL || *arg == NULL) {
*basenameEnd = strlen(kproc->p_comm);
return xStrdup(kproc->p_comm);
Process_updateCmdline(proc, kproc->p_comm, 0, strlen(kproc->p_comm));
return;
}
size_t len = 0;
@ -133,22 +135,30 @@ static char* NetBSDProcessList_readProcessName(kvm_t* kd, const struct kinfo_pro
/* don't use xMalloc here - we want to handle huge argv's gracefully */
char* s;
if ((s = malloc(len)) == NULL) {
*basenameEnd = strlen(kproc->p_comm);
return xStrdup(kproc->p_comm);
Process_updateCmdline(proc, kproc->p_comm, 0, strlen(kproc->p_comm));
return;
}
*s = '\0';
int start = 0;
int end = 0;
for (int i = 0; arg[i] != NULL; i++) {
size_t n = strlcat(s, arg[i], len);
if (i == 0) {
*basenameEnd = MINIMUM(n, len - 1);
end = MINIMUM(n, len - 1);
/* check if cmdline ended earlier, e.g 'kdeinit5: Running...' */
for (int j = end; j > 0; j--) {
if (arg[0][j] == ' ' && arg[0][j-1] != '\\') {
end = (arg[0][j-1] == ':') ? (j-1) : j;
}
}
}
/* the trailing space should get truncated anyway */
strlcat(s, " ", len);
}
return s;
Process_updateCmdline(proc, s, start, end);
}
/*
@ -185,16 +195,18 @@ static void NetBSDProcessList_scanProcs(NetBSDProcessList* this) {
proc->session = kproc->p_sid;
proc->tty_nr = kproc->p_tdev;
proc->pgrp = kproc->p__pgid;
proc->isKernelThread = proc->pgrp == 0;
proc->isUserlandThread = proc->pid != proc->tgid;
proc->st_uid = kproc->p_uid;
proc->starttime_ctime = kproc->p_ustart_sec;
Process_fillStarttimeBuffer(proc);
proc->user = UsersTable_getRef(this->super.usersTable, proc->st_uid);
ProcessList_add(&this->super, proc);
proc->comm = NetBSDProcessList_readProcessName(this->kd, kproc, &proc->basenameOffset);
NetBSDProcessList_updateProcessName(this->kd, kproc, proc);
} else {
if (settings->updateProcessNames) {
free(proc->comm);
proc->comm = NetBSDProcessList_readProcessName(this->kd, kproc, &proc->basenameOffset);
NetBSDProcessList_updateProcessName(this->kd, kproc, proc);
}
}