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35 # - Define macro to check if all of the following work:
44 # test_sched_affinity(VARIABLE)
46 # VARIABLE will be set to true if all of the functions link fine.
48 MACRO(test_sched_affinity VARIABLE)
50 if(NOT DEFINED sched_affinity_compile)
51 MESSAGE(STATUS "Checking for sched.h GNU affinity API")
53 check_c_source_compiles(
62 sched_getaffinity(0, sizeof(cpu_set_t), &mask);
63 if(CPU_ISSET(0,&mask))
68 sched_setaffinity(0, sizeof(cpu_set_t), &mask);
69 return CPU_COUNT(&mask);
70 }" sched_affinity_compile)
71 endif(NOT DEFINED sched_affinity_compile)
73 if(sched_affinity_compile)
74 set(${VARIABLE} 1 CACHE INTERNAL "Result of test for sched.h GNU affinity API" FORCE)
76 set(${VARIABLE} 0 CACHE INTERNAL "Result of test for sched.h GNU affinity API" FORCE)
78 ENDMACRO(test_sched_affinity VARIABLE)