eal: set affinity for control threads

[dpdk.git] / lib / librte_eal / common / eal_common_cpuflags.c

diff --git a/lib/librte_eal/common/eal_common_cpuflags.c b/lib/librte_eal/common/eal_common_cpuflags.c
index ecb1240..9a2d080 100644 (file)
--- a/lib/librte_eal/common/eal_common_cpuflags.c
+++ b/lib/librte_eal/common/eal_common_cpuflags.c
@@ -39,15 +39,16 @@
 /**
  * Checks if the machine is adequate for running the binary. If it is not, the
  * program exits with status 1.
- * The function attribute forces this function to be called before main(). But
- * with ICC, the check is generated by the compiler.
  */
-#ifndef __INTEL_COMPILER
-void __attribute__ ((__constructor__))
-#else
 void
-#endif
 rte_cpu_check_supported(void)
+{
+       if (!rte_cpu_is_supported())
+               exit(1);
+}
+
+int
+rte_cpu_is_supported(void)
 {
        /* This is generated at compile-time by the build system */
        static const enum rte_cpu_flag_t compile_time_flags[] = {
@@ -63,14 +64,16 @@ rte_cpu_check_supported(void)
                        fprintf(stderr,
                                "ERROR: CPU feature flag lookup failed with error %d\n",
                                ret);
-                       exit(1);
+                       return 0;
                }
                if (!ret) {
                        fprintf(stderr,
                                "ERROR: This system does not support \"%s\".\n"
                                "Please check that RTE_MACHINE is set correctly.\n",
                                rte_cpu_get_flag_name(compile_time_flags[i]));
-                       exit(1);
+                       return 0;
                }
        }
+
+       return 1;
 }