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// RUN: %libomp-compile-and-run
// RUN: %libomp-run | %python %S/check.py -c 'CHECK' %s
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <omp.h>
#define XSTR(x) #x
#define STR(x) XSTR(x)
#define streqls(s1, s2) (!strcmp(s1, s2))
#define check(condition) \
if (!(condition)) { \
fprintf(stderr, "error: %s: %d: " STR(condition) "\n", __FILE__, \
__LINE__); \
exit(1); \
}
#if defined(_WIN32)
#define snprintf _snprintf
#endif
#define BUFFER_SIZE 1024
int main(int argc, char** argv) {
char buf[BUFFER_SIZE];
size_t needed, length;
const char* format = "tl:%L tn:%n nt:%N an:%a";
const char* second_format = "nesting_level:%{nesting_level} thread_num:%{thread_num} num_threads:%{num_threads} ancestor_tnum:%{ancestor_tnum}";
length = strlen(format);
omp_set_affinity_format(format);
needed = omp_get_affinity_format(buf, BUFFER_SIZE);
check(streqls(buf, format));
check(needed == length)
// Check that it is truncated properly
omp_get_affinity_format(buf, 5);
check(streqls(buf, "tl:%"));
#pragma omp parallel
{
char my_buf[512];
char supposed[512];
int tl, tn, nt, an;
size_t needed, needed2;
tl = omp_get_level();
tn = omp_get_thread_num();
nt = omp_get_num_threads();
an = omp_get_ancestor_thread_num(omp_get_level()-1);
needed = omp_capture_affinity(my_buf, 512, NULL);
needed2 = (size_t)snprintf(supposed, 512, "tl:%d tn:%d nt:%d an:%d", tl, tn, nt, an);
check(streqls(my_buf, supposed));
check(needed == needed2);
// Check that it is truncated properly
supposed[4] = '\0';
omp_capture_affinity(my_buf, 5, NULL);
check(streqls(my_buf, supposed));
needed = omp_capture_affinity(my_buf, 512, second_format);
needed2 = (size_t)snprintf(supposed, 512, "nesting_level:%d thread_num:%d num_threads:%d ancestor_tnum:%d", tl, tn, nt, an);
check(streqls(my_buf, supposed));
check(needed == needed2);
// Check that it is truncated properly
supposed[25] = '\0';
omp_capture_affinity(my_buf, 26, second_format);
check(streqls(my_buf, supposed));
}
#pragma omp parallel num_threads(4)
{
omp_display_affinity(NULL);
omp_display_affinity(second_format);
}
return 0;
}
// CHECK: num_threads=4 tl:[0-9]+ tn:[0-9]+ nt:[0-9]+ an:[0-9]+
// CHECK: num_threads=4 nesting_level:[0-9]+ thread_num:[0-9]+ num_threads:[0-9]+ ancestor_tnum:[0-9]+
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