diff options
Diffstat (limited to 'lib/libkvm/kvm_proc.c')
| -rw-r--r-- | lib/libkvm/kvm_proc.c | 29 |
1 files changed, 17 insertions, 12 deletions
diff --git a/lib/libkvm/kvm_proc.c b/lib/libkvm/kvm_proc.c index 9543feee4de6..c91786113a21 100644 --- a/lib/libkvm/kvm_proc.c +++ b/lib/libkvm/kvm_proc.c @@ -302,14 +302,15 @@ kvm_getprocs(kd, op, arg, cnt) _kvm_syserr(kd, kd->program, "kvm_getprocs"); return (0); } + kd->procbase = 0; do { size += size / 10; kd->procbase = (struct kinfo_proc *) - _kvm_realloc(kd, kd->procbase, size); + _kvm_realloc(kd, kd->procbase, size); if (kd->procbase == 0) return (0); st = sysctl(mib, op == KERN_PROC_ALL ? 3 : 4, - kd->procbase, &size, NULL, 0); + kd->procbase, &size, NULL, 0); } while (st == -1 && errno == ENOMEM); if (st == -1) { _kvm_syserr(kd, kd->program, "kvm_getprocs"); @@ -600,18 +601,21 @@ proc_verify(kd, kernp, p) const struct proc *p; { struct kinfo_proc kp; - int mib[4]; + int mib[4], st; size_t len; mib[0] = CTL_KERN; mib[1] = KERN_PROC; mib[2] = KERN_PROC_PID; mib[3] = p->p_pid; - len = sizeof(kp); - if (sysctl(mib, 4, &kp, &len, NULL, 0) == -1) - return (0); + + len = sizeof kp; + + st = sysctl(mib, 4, &kp, &len, NULL, 0); + if (st < 0) + return(0); return (p->p_pid == kp.kp_proc.p_pid && - (kp.kp_proc.p_stat != SZOMB || p->p_stat == SZOMB)); + (kp.kp_proc.p_stat != SZOMB || p->p_stat == SZOMB)); } static char ** @@ -625,14 +629,15 @@ kvm_doargv(kd, kp, nchr, info) register char **ap; u_long addr; int cnt; - static struct ps_strings arginfo; - static u_long ps_strings; + static struct ps_strings arginfo, *ps_strings; size_t len; + int i; if (ps_strings == NULL) { - len = sizeof(ps_strings); - if (sysctlbyname("kern.ps_strings", &ps_strings, &len, NULL, - 0) == -1) + len = sizeof ps_strings; + i = sysctlbyname("kern.ps_strings", + &ps_strings, &len, 0, 0); + if (i < 0 || ps_strings == NULL) ps_strings = PS_STRINGS; } |