[glibc/vineet/arc-port-latest] tst-strsignal: fix checking for RT signals support

[glibc/vineet/arc-port-latest] tst-strsignal: fix checking for RT signals support

[Vineet Gupta]

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5549370a73c45b12621a1abe58920771278a72b4

commit 5549370a73c45b12621a1abe58920771278a72b4
Author: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date:   Tue Jul 7 21:24:48 2020 +0000

    tst-strsignal: fix checking for RT signals support
    
    * string/tst-strsignal.c (do_test): Actually check that RT signals are
    available by comparing SIGRTMAX to SIGRTMIN. Check that SIGRTMAX is 64
    before testing for a message reporting 65 for SIGRTMAX+1.

Diff:
---
 string/tst-strsignal.c | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/string/tst-strsignal.c b/string/tst-strsignal.c
index 93a46dbc78..3f6764989f 100644
--- a/string/tst-strsignal.c
+++ b/string/tst-strsignal.c
@@ -34,10 +34,12 @@ do_test (void)
   TEST_COMPARE_STRING (strsignal (SIGINT),     "Interrupt");
   TEST_COMPARE_STRING (strsignal (-1),         "Unknown signal -1");
 #ifdef SIGRTMIN
-  TEST_COMPARE_STRING (strsignal (SIGRTMIN),   "Real-time signal 0");
+  if (SIGRTMIN < SIGRTMAX)
+    TEST_COMPARE_STRING (strsignal (SIGRTMIN),   "Real-time signal 0");
 #endif
 #ifdef SIGRTMAX
-  TEST_COMPARE_STRING (strsignal (SIGRTMAX+1), "Unknown signal 65");
+  if (SIGRTMAX == 64)
+    TEST_COMPARE_STRING (strsignal (SIGRTMAX+1), "Unknown signal 65");
 #endif
 
   xsetlocale (LC_ALL, "pt_BR.UTF-8");
@@ -45,10 +47,12 @@ do_test (void)
   TEST_COMPARE_STRING (strsignal (SIGINT),    "Interrup\xc3\xa7\xc3\xa3\x6f");
   TEST_COMPARE_STRING (strsignal (-1),        "Sinal desconhecido -1");
 #ifdef SIGRTMI
-  TEST_COMPARE_STRING (strsignal (SIGRTMIN),  "Sinal de tempo-real 0");
+  if (SIGRTMIN < SIGRTMAX)
+    TEST_COMPARE_STRING (strsignal (SIGRTMIN),  "Sinal de tempo-real 0");
 #endif
 #ifdef SIGRTMAX
-  TEST_COMPARE_STRING (strsignal (SIGRTMAX+1), "Sinal desconhecido 65");
+  if (SIGRTMAX == 64)
+    TEST_COMPARE_STRING (strsignal (SIGRTMAX+1), "Sinal desconhecido 65");
 #endif
 
   return 0;