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Pedro Alves 511aee7c39 gdb.threads/clone-thread_db.c: Add missing includes and fix pthread_join call
This fixes:

> gdb compile failed, /gdb/testsuite/gdb.threads/clone-thread_db.c: In function 'main':
> /gdb/testsuite/gdb.threads/clone-thread_db.c:67:3: warning: implicit declaration of function 'alarm' [-Wimplicit-function-declaration]
>    alarm (300);
>    ^
> /gdb/testsuite/gdb.threads/clone-thread_db.c:69:3: warning: implicit declaration of function 'pthread_create' [-Wimplicit-function-declaration]
>    pthread_create (&child, NULL, thread_fn, NULL);
>    ^
> /gdb/testsuite/gdb.threads/clone-thread_db.c:70:3: warning: implicit declaration of function 'pthread_join' [-Wimplicit-function-declaration]
>    pthread_join (child);
>    ^

And then adding the missing headers revealed the pthread_join call was
incorrect.  This probably fixes the crash we see on ppc64be, e.g., at

 https://sourceware.org/ml/gdb-testers/2015-q1/msg04415.html

the logs there show:

 ...
 Program received signal SIGSEGV, Segmentation fault.
 [Switching to Thread 0x3fffb7ff54a0 (LWP 9275)]
 0x00003fffb7f3ce74 in .pthread_join () from /lib64/libpthread.so.0
 (gdb) FAIL: gdb.threads/clone-thread_db.exp: continue to end
 ...

Tested on x86_64 Fedora 20.

gdb/testsuite/
2015-03-04  Pedro Alves  <palves@redhat.com>

	* gdb.threads/clone-thread_db.c: Include unistd.h and pthread.h.
	(main): Pass missing retval argument to pthread_join call.
2015-03-04 09:13:49 +00:00
bfd Allow MOVK for R_AARCH64_TLSLE_MOVW_TPREL_G{0,1}NC 2015-03-04 09:09:05 +00:00
binutils [ARM] Skip private symbol when doing objdump 2015-03-03 15:00:59 +00:00
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elfcpp [gold] Recognize DWARF5/GCC5 DW_LANG_Fortran03 and DW_LANG_Fortran08. 2015-02-17 08:08:24 +01:00
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gas Allow MOVK for R_AARCH64_TLSLE_MOVW_TPREL_G{0,1}NC 2015-03-04 09:09:05 +00:00
gdb gdb.threads/clone-thread_db.c: Add missing includes and fix pthread_join call 2015-03-04 09:13:49 +00:00
gold Fix crash when processing merge section with entsize of 0. 2015-03-02 10:20:21 -08:00
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include Add ADR :tlsgd: directive and TLSGD_ADR_PREL21 support. 2015-02-26 22:23:09 +00:00
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ld Allow MOVK for R_AARCH64_TLSLE_MOVW_TPREL_G{0,1}NC 2015-03-04 09:09:05 +00:00
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opcodes [ARM] Skip private symbol when doing objdump 2015-03-03 15:00:59 +00:00
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sim Fixes problems building the V850 simulator introduced with the previous delta. 2015-02-27 09:53:03 +00:00
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		   README for GNU development tools

This directory contains various GNU compilers, assemblers, linkers, 
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