From 5b21c81d6870e72629d3b12756e14a60bdc5261b Mon Sep 17 00:00:00 2001
From: anthk <anthk@texto-plano.xyz>
Date: Thu, 11 Mar 2021 09:40:02 +0000
Subject: Ajustes olvidados

---
 src/Makefile                 |  8 ++++++--
 src/cpulimit.c               |  4 +++-
 src/process_iterator.c       | 16 +++++++++++++++-
 src/process_iterator.h       |  8 +++++++-
 src/process_iterator_apple.c |  2 +-
 tests/Makefile               |  4 ++++
 6 files changed, 36 insertions(+), 6 deletions(-)

diff --git a/src/Makefile b/src/Makefile
index 86fbfbd..863bf23 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -1,5 +1,6 @@
-CC?=gcc
-CFLAGS?=-Wall -g -D_GNU_SOURCE
+CC?=clang
+CFLAGS?=-Wall  -g -O0 -D_GNU_SOURCE
+LDFLAGS+=-g
 TARGETS=cpulimit
 LIBS=list.o process_iterator.o process_group.o
 
@@ -9,6 +10,9 @@ ifeq ($(UNAME), FreeBSD)
 LIBS+=-lkvm
 endif
 
+ifeq ($(UNAME), OpenBSD)
+LIBS+=-lkvm -lpthread
+endif 
 all::	$(TARGETS) $(LIBS)
 
 cpulimit:	cpulimit.c $(LIBS)
diff --git a/src/cpulimit.c b/src/cpulimit.c
index 50eabea..a1a0a73 100644
--- a/src/cpulimit.c
+++ b/src/cpulimit.c
@@ -43,7 +43,7 @@
 #include <sys/types.h>
 #include <sys/wait.h>
 
-#ifdef __APPLE__ || __FREEBSD__
+#if (defined __APPLE__) || (defined __FREEBSD__) || (defined __OpenBSD__)
 #include <libgen.h>
 #endif
 
@@ -181,6 +181,8 @@ int get_pid_max()
 	return atoi(buffer);
 #elif defined __FreeBSD__
 	return 99998;
+#elif defined __OpenBSD__
+	return 99998;
 #elif defined __APPLE__
 	return 99998;
 #endif
diff --git a/src/process_iterator.c b/src/process_iterator.c
index 8b4019d..cf80fc2 100644
--- a/src/process_iterator.c
+++ b/src/process_iterator.c
@@ -22,9 +22,19 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#ifndef __APPLE__
+
+/*#ifndef __APPLE__
 #include <sys/procfs.h>
+#endif */
+
+#if defined  __OpenBSD__ 
+#include <kvm.h>
+#include <sys/param.h>
+#include <sys/sysctl.h>
+#include <sys/proc.h>
+#include <sys/user.h>   
 #endif
+
 #include <time.h>
 #include "process_iterator.h"
 
@@ -38,6 +48,10 @@
 
 #include "process_iterator_freebsd.c"
 
+#elif defined __OpenBSD__
+
+#include "process_iterator_openbsd.c"
+
 #elif defined __APPLE__
 
 #include "process_iterator_apple.c"
diff --git a/src/process_iterator.h b/src/process_iterator.h
index 70520b6..84668b5 100644
--- a/src/process_iterator.h
+++ b/src/process_iterator.h
@@ -27,6 +27,7 @@
 #include <limits.h>
 #include <dirent.h>
 
+
 //USER_HZ detection, from openssl code
 #ifndef HZ
 # if defined(_SC_CLK_TCK) \
@@ -49,6 +50,11 @@
 #include <kvm.h>
 #endif
 
+#ifdef __OpenBSD__
+#include <fcntl.h>
+#include <kvm.h>
+#endif
+
 // process descriptor
 struct process {
 	//pid of the process
@@ -75,7 +81,7 @@ struct process_iterator {
 #ifdef __linux__
 	DIR *dip;
 	int boot_time;
-#elif defined __FreeBSD__
+#elif ( defined __FreeBSD__) || (defined __OpenBSD__ )
 	kvm_t *kd;
 	struct kinfo_proc *procs;
 	int count;
diff --git a/src/process_iterator_apple.c b/src/process_iterator_apple.c
index b878ed8..076630d 100644
--- a/src/process_iterator_apple.c
+++ b/src/process_iterator_apple.c
@@ -77,7 +77,7 @@ static int pti2proc(struct proc_taskallinfo *ti, struct process *process) {
 	process->pid = ti->pbsd.pbi_pid;
 	process->ppid = ti->pbsd.pbi_ppid;
 	process->starttime = ti->pbsd.pbi_start_tvsec;
-	process->cputime = (ti->ptinfo.pti_total_user + ti->ptinfo.pti_total_system) / 1000000;
+	process->cputime = ( (ti->ptinfo.pti_total_user + ti->ptinfo.pti_total_system) ) / 1000000;
 	bytes = strlen(ti->pbsd.pbi_comm);
 	memcpy(process->command, ti->pbsd.pbi_comm, (bytes < PATH_MAX ? bytes : PATH_MAX) + 1);
 	return 0;
diff --git a/tests/Makefile b/tests/Makefile
index 764db87..785f16e 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -10,6 +10,10 @@ ifeq ($(UNAME), FreeBSD)
 LIBS+=-lkvm
 endif
 
+ifeq ($(UNAME), OpenBSD)
+LIBS+=-lkvm
+endif
+
 all::	$(TARGETS)
 
 busy:	busy.c
-- 
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