Abort with appropriate message if first call of mmap fails with EPERM

(fix of commit 1c62b365b)

This is observed on Linux, at least.

* os_dep.c [!OS2 && !PCR && !AMIGA && !USE_WINALLOC && !MACOS
&& !DOS4GW && !NINTENDO_SWITCH && !NONSTOP && !SN_TARGET_ORBIS
&& !SN_TARGET_PS3 && !SN_TARGET_PSP2 && !RTEMS && !__CC_ARM
&& MMAP_SUPPORTED && !MSWIN_XBOX1] (GC_unix_mmap_get_mem): Call ABORT()
if allocation failed and GC_pages_executable and last_addr==HEAP_START
and errno is EPERM.

1 files changed, 2 insertions, 1 deletions

diff --git a/os_dep.c b/os_dep.c
index 346c7acf..3e9bbe19 100644
--- a/os_dep.c
+++ b/os_dep.c
@@ -2205,7 +2205,8 @@ void GC_register_data_segments(void)
 #   undef IGNORE_PAGES_EXECUTABLE
 
     if (EXPECT(MAP_FAILED == result, FALSE)) {
-      if (HEAP_START == last_addr && GC_pages_executable && EACCES == errno)
+      if (HEAP_START == last_addr && GC_pages_executable
+          && (EACCES == errno || EPERM == errno))
         ABORT("Cannot allocate executable pages");
       return NULL;
     }