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FreeBSD: Obtain correct PID_MAX (Fallback).

This commit is contained in:
Alastair Poole 2020-04-29 09:50:55 +01:00
parent 41a8e8b7ca
commit bda2a51124
1 changed files with 28 additions and 2 deletions
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30
src/bin/process.c
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@ -676,6 +676,30 @@ proc_info_by_pid(int pid)
#endif #endif
#if defined(__FreeBSD__) || defined(__DragonFly__) #if defined(__FreeBSD__) || defined(__DragonFly__)
static int
_pid_max(void)
{
size_t len;
static int pid_max = 0;
if (pid_max != 0) return pid_max;
len = sizeof(pid_max);
if (sysctlbyname("kern.pid_max", &pid_max, &len, NULL, 0) == -1)
{
#if defined(__FreeBSD__)
pid_max = 99999;
#elif defined(__DragonFly__)
pid_max = 999999;
#else
pid_max = PID_MAX;
#endif
}
return pid_max;
}
static Eina_List * static Eina_List *
_process_list_freebsd_fallback_get(void) _process_list_freebsd_fallback_get(void)
{ {
@ -684,18 +708,20 @@ _process_list_freebsd_fallback_get(void)
struct kinfo_proc kp; struct kinfo_proc kp;
int mib[4]; int mib[4];
size_t len; size_t len;
static int pagesize = 0; static int pid_max, pagesize = 0;
if (!pagesize) if (!pagesize)
pagesize = getpagesize(); pagesize = getpagesize();
pid_max = _pid_max();
list = NULL; list = NULL;
len = sizeof(int); len = sizeof(int);
if (sysctlnametomib("kern.proc.pid", mib, &len) == -1) if (sysctlnametomib("kern.proc.pid", mib, &len) == -1)
return NULL; return NULL;
for (int i = 1; i <= PID_MAX; i++) for (int i = 1; i <= pid_max; i++)
{ {
mib[3] = i; mib[3] = i;
len = sizeof(kp); len = sizeof(kp);