summaryrefslogtreecommitdiffstats
path: root/src/shared/cpu-set-util.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/shared/cpu-set-util.h')
-rw-r--r--src/shared/cpu-set-util.h35
1 files changed, 35 insertions, 0 deletions
diff --git a/src/shared/cpu-set-util.h b/src/shared/cpu-set-util.h
new file mode 100644
index 0000000..1b6bd35
--- /dev/null
+++ b/src/shared/cpu-set-util.h
@@ -0,0 +1,35 @@
+/* SPDX-License-Identifier: LGPL-2.1+ */
+#pragma once
+
+#include <sched.h>
+
+#include "macro.h"
+
+#ifdef __NCPUBITS
+#define CPU_SIZE_TO_NUM(n) ((n) * __NCPUBITS)
+#else
+#define CPU_SIZE_TO_NUM(n) ((n) * sizeof(cpu_set_t) * 8)
+#endif
+
+DEFINE_TRIVIAL_CLEANUP_FUNC(cpu_set_t*, CPU_FREE);
+#define _cleanup_cpu_free_ _cleanup_(CPU_FREEp)
+
+static inline cpu_set_t* cpu_set_mfree(cpu_set_t *p) {
+ if (p)
+ CPU_FREE(p);
+ return NULL;
+}
+
+cpu_set_t* cpu_set_malloc(unsigned *ncpus);
+
+int parse_cpu_set_internal(const char *rvalue, cpu_set_t **cpu_set, bool warn, const char *unit, const char *filename, unsigned line, const char *lvalue);
+
+static inline int parse_cpu_set_and_warn(const char *rvalue, cpu_set_t **cpu_set, const char *unit, const char *filename, unsigned line, const char *lvalue) {
+ assert(lvalue);
+
+ return parse_cpu_set_internal(rvalue, cpu_set, true, unit, filename, line, lvalue);
+}
+
+static inline int parse_cpu_set(const char *rvalue, cpu_set_t **cpu_set){
+ return parse_cpu_set_internal(rvalue, cpu_set, false, NULL, NULL, 0, NULL);
+}