[threads] Add checks around libc calls (#5240)

[mono.git] / mono / utils / mono-threads-linux.c

diff --git a/mono/utils/mono-threads-linux.c b/mono/utils/mono-threads-linux.c
index c5d6e8bab38eb01f2f7cda6eab0cc03be1f0b58a..d757cd66c318ec6e87a072d2597e2606909d8c3c 100644 (file)
--- a/mono/utils/mono-threads-linux.c
+++ b/mono/utils/mono-threads-linux.c
@@ -1,3 +1,7 @@
+/**
+ * \file
+ */
+
 #include <config.h>
 
 #if (defined(__linux__) && !defined(PLATFORM_ANDROID)) || defined(__FreeBSD_kernel__)
@@ -6,16 +10,30 @@
 #include <pthread.h>
 
 void
-mono_threads_core_get_stack_bounds (guint8 **staddr, size_t *stsize)
+mono_threads_platform_get_stack_bounds (guint8 **staddr, size_t *stsize)
 {
        pthread_attr_t attr;
+       gint res;
 
        *staddr = NULL;
        *stsize = (size_t)-1;
 
-       pthread_getattr_np (pthread_self (), &attr);
-       pthread_attr_getstack (&attr, (void**)staddr, stsize);
-       pthread_attr_destroy (&attr);
+       res = pthread_attr_init (&attr);
+       if (G_UNLIKELY (res != 0))
+               g_error ("%s: pthread_attr_init failed with \"%s\" (%d)", __func__, g_strerror (res), res);
+
+       res = pthread_getattr_np (pthread_self (), &attr);
+       if (G_UNLIKELY (res != 0))
+               g_error ("%s: pthread_getattr_np failed with \"%s\" (%d)", __func__, g_strerror (res), res);
+
+       res = pthread_attr_getstack (&attr, (void**)staddr, stsize);
+       if (G_UNLIKELY (res != 0))
+               g_error ("%s: pthread_attr_getstack failed with \"%s\" (%d)", __func__, g_strerror (res), res);
+
+       res = pthread_attr_destroy (&attr);
+       if (G_UNLIKELY (res != 0))
+               g_error ("%s: pthread_attr_destroy failed with \"%s\" (%d)", __func__, g_strerror (res), res);
+
 }
 
 #endif