aboutsummaryrefslogtreecommitdiffstats
path: root/src
diff options
context:
space:
mode:
authorRafael G. Martins <rafael@rafaelmartins.eng.br>2019-02-02 14:04:24 +0100
committerRafael G. Martins <rafael@rafaelmartins.eng.br>2019-02-02 14:04:24 +0100
commit1b651788129fd65fc6d0dc44f8397494c8eaec49 (patch)
treec52804e936a425f825400af23de921efccafb650 /src
parentd9298a35b6741a918e21e5d04e742f05b784e3ea (diff)
downloadblogc-1b651788129fd65fc6d0dc44f8397494c8eaec49.tar.gz
blogc-1b651788129fd65fc6d0dc44f8397494c8eaec49.tar.bz2
blogc-1b651788129fd65fc6d0dc44f8397494c8eaec49.zip
blogc: do not add rusage vars if not supported
Diffstat (limited to 'src')
-rw-r--r--src/blogc/funcvars.c4
-rw-r--r--src/blogc/rusage.c9
-rw-r--r--src/blogc/rusage.h10
3 files changed, 22 insertions, 1 deletions
diff --git a/src/blogc/funcvars.c b/src/blogc/funcvars.c
index a3af274..8524568 100644
--- a/src/blogc/funcvars.c
+++ b/src/blogc/funcvars.c
@@ -19,8 +19,12 @@ static const struct func_map {
const char *variable;
const blogc_funcvars_func_t func;
} funcs[] = {
+
+#ifdef HAVE_RUSAGE
{"BLOGC_RUSAGE_CPU_TIME", blogc_rusage_cpu_time},
{"BLOGC_RUSAGE_MEMORY", blogc_rusage_memory},
+#endif
+
{NULL, NULL},
};
diff --git a/src/blogc/rusage.c b/src/blogc/rusage.c
index b04938e..972ae4f 100644
--- a/src/blogc/rusage.c
+++ b/src/blogc/rusage.c
@@ -24,16 +24,19 @@
// FIXME: optimize to use a single syscall for both cpu time and memory?
-#include <stdio.h>
long long
blogc_rusage_get_cpu_time(void)
{
+#ifndef HAVE_RUSAGE
+ return 0;
+#else
struct rusage usage;
if (0 != getrusage(RUSAGE_SELF, &usage))
return 0;
return (
(usage.ru_utime.tv_sec * 1000000) + usage.ru_utime.tv_usec +
(usage.ru_stime.tv_sec * 1000000) + usage.ru_stime.tv_usec);
+#endif
}
@@ -62,10 +65,14 @@ blogc_rusage_cpu_time(void)
long
blogc_rusage_get_memory(void)
{
+#ifndef HAVE_RUSAGE
+ return 0;
+#else
struct rusage usage;
if (0 != getrusage(RUSAGE_SELF, &usage))
return 0;
return usage.ru_maxrss;
+#endif
}
diff --git a/src/blogc/rusage.h b/src/blogc/rusage.h
index cfdccbe..d94aebd 100644
--- a/src/blogc/rusage.h
+++ b/src/blogc/rusage.h
@@ -9,6 +9,16 @@
#ifndef ___RUSAGE_H
#define ___RUSAGE_H
+#ifdef HAVE_SYS_RESOURCE_H
+#define HAVE_RUSAGE
+#endif
+
+typedef struct {
+ long long cpu_time; // in microseconds
+ long memory; // in kilobytes
+} blogc_rusage_t;
+
+blogc_rusage_t* blogc_rusage_get(void);
long long blogc_rusage_get_cpu_time(void); // in microseconds
long blogc_rusage_get_memory(void); // in kilobytes