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thread-utils.h: simplify the inclusion

All files that include this header file use the same four line
incantation:

    #ifndef NO_PTHREADS
    #include <pthread.h>
    #include "thread-utils.h"
    #endif

Move the responsibility for that gymnastics to the header file from the
files that include it.  This approach makes it easier to later declare new
services that are related to threading in thread-utils.h and have them
available to all the threading code.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
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commit b361888dd5a26c4f1eb6268392e89e2d546accf6 1 parent e4117b1
@gitster authored
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4 builtin/grep.c
@@ -17,11 +17,7 @@
#include "grep.h"
#include "quote.h"
#include "dir.h"
-
-#ifndef NO_PTHREADS
-#include <pthread.h>
#include "thread-utils.h"
-#endif
static char const * const grep_usage[] = {
"git grep [options] [-e] <pattern> [<rev>...] [[--] <path>...]",
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4 builtin/pack-objects.c
@@ -16,11 +16,7 @@
#include "list-objects.h"
#include "progress.h"
#include "refs.h"
-
-#ifndef NO_PTHREADS
-#include <pthread.h>
#include "thread-utils.h"
-#endif
static const char pack_usage[] =
"git pack-objects [ -q | --progress | --all-progress ]\n"
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4 thread-utils.h
@@ -1,7 +1,11 @@
#ifndef THREAD_COMPAT_H
#define THREAD_COMPAT_H
+#ifndef NO_PTHREADS
+#include <pthread.h>
+
extern int online_cpus(void);
extern int init_recursive_mutex(pthread_mutex_t*);
+#endif
#endif /* THREAD_COMPAT_H */
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4 transport-helper.c
@@ -8,11 +8,7 @@
#include "quote.h"
#include "remote.h"
#include "string-list.h"
-
-#ifndef NO_PTHREADS
-#include <pthread.h>
#include "thread-utils.h"
-#endif
static int debug;
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