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FIO: Emit reasonable error message when shm_open() API isn't available locally

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This commit is contained in:
Mark Pizzolato
2021-10-24 14:25:28 -07:00
parent 89cd2d458f
commit d0c7276dd7
1 changed files with 4 additions and 1 deletions
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5
sim_fio.c
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@@ -682,7 +682,10 @@ return -1;
}
#if defined (__linux__) || defined (__APPLE__) || defined (__CYGWIN__) || defined (__FreeBSD__) || defined(__NetBSD__) || defined (__OpenBSD__)
#if defined (HAVE_SHM_OPEN)
#include <sys/mman.h>
#endif
struct SHMEM {
int shm_fd;
@@ -751,7 +754,7 @@ if ((*shmem)->shm_base == MAP_FAILED) {
return SCPE_OK;
#else
*shmem = NULL;
return SCPE_NOFNC;
return sim_messagef (SCPE_NOFNC, "Shared memory not available - Missing shm_open() API\n");
#endif
}