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Add process environment for FreeBSD

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This commit is contained in:
Ross Williams 2020-10-23 20:31:20 +00:00 committed by cgzones
parent 11bf7be9c2
commit 0ae2bb1f8e
1 changed files with 25 additions and 3 deletions
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28
freebsd/Platform.c
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@ -32,6 +32,7 @@ in the source distribution for its full text.
#include <sys/resource.h>
#include <vm/vm_param.h>
#include <time.h>
#include <limits.h>
#include <math.h>
@ -220,9 +221,30 @@ void Platform_setZfsCompressedArcValues(Meter* this) {
}
char* Platform_getProcessEnv(pid_t pid) {
(void) pid;
// TODO
return NULL;
int mib[4];
char *env = NULL;
mib[0] = CTL_KERN;
mib[1] = KERN_PROC;
mib[2] = KERN_PROC_ENV;
mib[3] = pid;
size_t capacity = ARG_MAX;
env = xMalloc(capacity);
int err = sysctl(mib, 4, env, &capacity, NULL, 0);
if (err) {
free(env);
return NULL;
}
if (env[capacity-1] || env[capacity-2]) {
env = xRealloc(env, capacity+2);
env[capacity] = 0;
env[capacity+1] = 0;
}
return env;
}
void Platform_getDiskIO(unsigned long int *bytesRead, unsigned long int *bytesWrite, unsigned long int *msTimeSpend) {