1 files changed, 179 insertions, 179 deletions

diff --git a/Python/thread_sgi.h b/Python/thread_sgi.h
index 4f4b210..771ab2c 100644
--- a/Python/thread_sgi.h
+++ b/Python/thread_sgi.h
@@ -8,67 +8,67 @@
 #include <ulocks.h>
 #include <errno.h>
 
-#define HDR_SIZE	2680	/* sizeof(ushdr_t) */
-#define MAXPROC		100	/* max # of threads that can be started */
+#define HDR_SIZE        2680    /* sizeof(ushdr_t) */
+#define MAXPROC         100     /* max # of threads that can be started */
 
 static usptr_t *shared_arena;
-static ulock_t count_lock;	/* protection for some variables */
-static ulock_t wait_lock;	/* lock used to wait for other threads */
-static int waiting_for_threads;	/* protected by count_lock */
-static int nthreads;		/* protected by count_lock */
+static ulock_t count_lock;      /* protection for some variables */
+static ulock_t wait_lock;       /* lock used to wait for other threads */
+static int waiting_for_threads; /* protected by count_lock */
+static int nthreads;            /* protected by count_lock */
 static int exit_status;
-static int exiting;		/* we're already exiting (for maybe_exit) */
-static pid_t my_pid;		/* PID of main thread */
+static int exiting;             /* we're already exiting (for maybe_exit) */
+static pid_t my_pid;            /* PID of main thread */
 static struct pidlist {
-	pid_t parent;
-	pid_t child;
-} pidlist[MAXPROC];	/* PIDs of other threads; protected by count_lock */
-static int maxpidindex;		/* # of PIDs in pidlist */
+    pid_t parent;
+    pid_t child;
+} pidlist[MAXPROC];     /* PIDs of other threads; protected by count_lock */
+static int maxpidindex;         /* # of PIDs in pidlist */
 /*
  * Initialization.
  */
 static void PyThread__init_thread(void)
 {
 #ifdef USE_DL
-	long addr, size;
+    long addr, size;
 #endif /* USE_DL */
 
 
 #ifdef USE_DL
-	if ((size = usconfig(CONF_INITSIZE, 64*1024)) < 0)
-		perror("usconfig - CONF_INITSIZE (check)");
-	if (usconfig(CONF_INITSIZE, size) < 0)
-		perror("usconfig - CONF_INITSIZE (reset)");
-	addr = (long) dl_getrange(size + HDR_SIZE);
-	dprintf(("trying to use addr %p-%p for shared arena\n", addr, addr+size));
-	errno = 0;
-	if ((addr = usconfig(CONF_ATTACHADDR, addr)) < 0 && errno != 0)
-		perror("usconfig - CONF_ATTACHADDR (set)");
+    if ((size = usconfig(CONF_INITSIZE, 64*1024)) < 0)
+        perror("usconfig - CONF_INITSIZE (check)");
+    if (usconfig(CONF_INITSIZE, size) < 0)
+        perror("usconfig - CONF_INITSIZE (reset)");
+    addr = (long) dl_getrange(size + HDR_SIZE);
+    dprintf(("trying to use addr %p-%p for shared arena\n", addr, addr+size));
+    errno = 0;
+    if ((addr = usconfig(CONF_ATTACHADDR, addr)) < 0 && errno != 0)
+        perror("usconfig - CONF_ATTACHADDR (set)");
 #endif /* USE_DL */
-	if (usconfig(CONF_INITUSERS, 16) < 0)
-		perror("usconfig - CONF_INITUSERS");
-	my_pid = getpid();	/* so that we know which is the main thread */
-	if (usconfig(CONF_ARENATYPE, US_SHAREDONLY) < 0)
-		perror("usconfig - CONF_ARENATYPE");
-	usconfig(CONF_LOCKTYPE, US_DEBUG); /* XXX */
+    if (usconfig(CONF_INITUSERS, 16) < 0)
+        perror("usconfig - CONF_INITUSERS");
+    my_pid = getpid();          /* so that we know which is the main thread */
+    if (usconfig(CONF_ARENATYPE, US_SHAREDONLY) < 0)
+        perror("usconfig - CONF_ARENATYPE");
+    usconfig(CONF_LOCKTYPE, US_DEBUG); /* XXX */
 #ifdef Py_DEBUG
-	if (thread_debug & 4)
-		usconfig(CONF_LOCKTYPE, US_DEBUGPLUS);
-	else if (thread_debug & 2)
-		usconfig(CONF_LOCKTYPE, US_DEBUG);
+    if (thread_debug & 4)
+        usconfig(CONF_LOCKTYPE, US_DEBUGPLUS);
+    else if (thread_debug & 2)
+        usconfig(CONF_LOCKTYPE, US_DEBUG);
 #endif /* Py_DEBUG */
-	if ((shared_arena = usinit(tmpnam(0))) == 0)
-		perror("usinit");
+    if ((shared_arena = usinit(tmpnam(0))) == 0)
+        perror("usinit");
 #ifdef USE_DL
-	if (usconfig(CONF_ATTACHADDR, addr) < 0) /* reset address */
-		perror("usconfig - CONF_ATTACHADDR (reset)");
+    if (usconfig(CONF_ATTACHADDR, addr) < 0) /* reset address */
+        perror("usconfig - CONF_ATTACHADDR (reset)");
 #endif /* USE_DL */
-	if ((count_lock = usnewlock(shared_arena)) == NULL)
-		perror("usnewlock (count_lock)");
-	(void) usinitlock(count_lock);
-	if ((wait_lock = usnewlock(shared_arena)) == NULL)
-		perror("usnewlock (wait_lock)");
-	dprintf(("arena start: %p, arena size: %ld\n",  shared_arena, (long) usconfig(CONF_GETSIZE, shared_arena)));
+    if ((count_lock = usnewlock(shared_arena)) == NULL)
+        perror("usnewlock (count_lock)");
+    (void) usinitlock(count_lock);
+    if ((wait_lock = usnewlock(shared_arena)) == NULL)
+        perror("usnewlock (wait_lock)");
+    dprintf(("arena start: %p, arena size: %ld\n",  shared_arena, (long) usconfig(CONF_GETSIZE, shared_arena)));
 }
 
 /*
@@ -77,138 +77,138 @@ static void PyThread__init_thread(void)
 
 static void clean_threads(void)
 {
-	int i, j;
-	pid_t mypid, pid;
+    int i, j;
+    pid_t mypid, pid;
 
-	/* clean up any exited threads */
-	mypid = getpid();
-	i = 0;
-	while (i < maxpidindex) {
-		if (pidlist[i].parent == mypid && (pid = pidlist[i].child) > 0) {
-			pid = waitpid(pid, 0, WNOHANG);
-			if (pid > 0) {
-				/* a thread has exited */
-				pidlist[i] = pidlist[--maxpidindex];
-				/* remove references to children of dead proc */
-				for (j = 0; j < maxpidindex; j++)
-					if (pidlist[j].parent == pid)
-						pidlist[j].child = -1;
-				continue; /* don't increment i */
-			}
-		}
-		i++;
-	}
-	/* clean up the list */
-	i = 0;
-	while (i < maxpidindex) {
-		if (pidlist[i].child == -1) {
-			pidlist[i] = pidlist[--maxpidindex];
-			continue; /* don't increment i */
-		}
-		i++;
-	}
+    /* clean up any exited threads */
+    mypid = getpid();
+    i = 0;
+    while (i < maxpidindex) {
+        if (pidlist[i].parent == mypid && (pid = pidlist[i].child) > 0) {
+            pid = waitpid(pid, 0, WNOHANG);
+            if (pid > 0) {
+                /* a thread has exited */
+                pidlist[i] = pidlist[--maxpidindex];
+                /* remove references to children of dead proc */
+                for (j = 0; j < maxpidindex; j++)
+                    if (pidlist[j].parent == pid)
+                        pidlist[j].child = -1;
+                continue; /* don't increment i */
+            }
+        }
+        i++;
+    }
+    /* clean up the list */
+    i = 0;
+    while (i < maxpidindex) {
+        if (pidlist[i].child == -1) {
+            pidlist[i] = pidlist[--maxpidindex];
+            continue; /* don't increment i */
+        }
+        i++;
+    }
 }
 
 long PyThread_start_new_thread(void (*func)(void *), void *arg)
 {
 #ifdef USE_DL
-	long addr, size;
-	static int local_initialized = 0;
+    long addr, size;
+    static int local_initialized = 0;
 #endif /* USE_DL */
-	int success = 0;	/* init not needed when SOLARIS_THREADS and */
-				/* C_THREADS implemented properly */
+    int success = 0;            /* init not needed when SOLARIS_THREADS and */
+                /* C_THREADS implemented properly */
 
-	dprintf(("PyThread_start_new_thread called\n"));
-	if (!initialized)
-		PyThread_init_thread();
-	switch (ussetlock(count_lock)) {
-	case 0: return 0;
-	case -1: perror("ussetlock (count_lock)");
-	}
-	if (maxpidindex >= MAXPROC)
-		success = -1;
-	else {
+    dprintf(("PyThread_start_new_thread called\n"));
+    if (!initialized)
+        PyThread_init_thread();
+    switch (ussetlock(count_lock)) {
+    case 0: return 0;
+    case -1: perror("ussetlock (count_lock)");
+    }
+    if (maxpidindex >= MAXPROC)
+        success = -1;
+    else {
 #ifdef USE_DL
-		if (!local_initialized) {
-			if ((size = usconfig(CONF_INITSIZE, 64*1024)) < 0)
-				perror("usconfig - CONF_INITSIZE (check)");
-			if (usconfig(CONF_INITSIZE, size) < 0)
-				perror("usconfig - CONF_INITSIZE (reset)");
-			addr = (long) dl_getrange(size + HDR_SIZE);
-			dprintf(("trying to use addr %p-%p for sproc\n",
-				 addr, addr+size));
-			errno = 0;
-			if ((addr = usconfig(CONF_ATTACHADDR, addr)) < 0 &&
-			    errno != 0)
-				perror("usconfig - CONF_ATTACHADDR (set)");
-		}
+        if (!local_initialized) {
+            if ((size = usconfig(CONF_INITSIZE, 64*1024)) < 0)
+                perror("usconfig - CONF_INITSIZE (check)");
+            if (usconfig(CONF_INITSIZE, size) < 0)
+                perror("usconfig - CONF_INITSIZE (reset)");
+            addr = (long) dl_getrange(size + HDR_SIZE);
+            dprintf(("trying to use addr %p-%p for sproc\n",
+                     addr, addr+size));
+            errno = 0;
+            if ((addr = usconfig(CONF_ATTACHADDR, addr)) < 0 &&
+                errno != 0)
+                perror("usconfig - CONF_ATTACHADDR (set)");
+        }
 #endif /* USE_DL */
-		clean_threads();
-		if ((success = sproc(func, PR_SALL, arg)) < 0)
-			perror("sproc");
+        clean_threads();
+        if ((success = sproc(func, PR_SALL, arg)) < 0)
+            perror("sproc");
 #ifdef USE_DL
-		if (!local_initialized) {
-			if (usconfig(CONF_ATTACHADDR, addr) < 0)
-				/* reset address */
-				perror("usconfig - CONF_ATTACHADDR (reset)");
-			local_initialized = 1;
-		}
+        if (!local_initialized) {
+            if (usconfig(CONF_ATTACHADDR, addr) < 0)
+                /* reset address */
+                perror("usconfig - CONF_ATTACHADDR (reset)");
+            local_initialized = 1;
+        }
 #endif /* USE_DL */
-		if (success >= 0) {
-			nthreads++;
-			pidlist[maxpidindex].parent = getpid();
-			pidlist[maxpidindex++].child = success;
-			dprintf(("pidlist[%d] = %d\n",
-				 maxpidindex-1, success));
-		}
-	}
-	if (usunsetlock(count_lock) < 0)
-		perror("usunsetlock (count_lock)");
-	return success;
+        if (success >= 0) {
+            nthreads++;
+            pidlist[maxpidindex].parent = getpid();
+            pidlist[maxpidindex++].child = success;
+            dprintf(("pidlist[%d] = %d\n",
+                     maxpidindex-1, success));
+        }
+    }
+    if (usunsetlock(count_lock) < 0)
+        perror("usunsetlock (count_lock)");
+    return success;
 }
 
 long PyThread_get_thread_ident(void)
 {
-	return getpid();
+    return getpid();
 }
 
 void PyThread_exit_thread(void)
 {
-	dprintf(("PyThread_exit_thread called\n"));
-	if (!initialized)
-		exit(0);
-	if (ussetlock(count_lock) < 0)
-		perror("ussetlock (count_lock)");
-	nthreads--;
-	if (getpid() == my_pid) {
-		/* main thread; wait for other threads to exit */
-		exiting = 1;
-		waiting_for_threads = 1;
-		if (ussetlock(wait_lock) < 0)
-			perror("ussetlock (wait_lock)");
-		for (;;) {
-			if (nthreads < 0) {
-				dprintf(("really exit (%d)\n", exit_status));
-				exit(exit_status);
-			}
-			if (usunsetlock(count_lock) < 0)
-				perror("usunsetlock (count_lock)");
-			dprintf(("waiting for other threads (%d)\n", nthreads));
-			if (ussetlock(wait_lock) < 0)
-				perror("ussetlock (wait_lock)");
-			if (ussetlock(count_lock) < 0)
-				perror("ussetlock (count_lock)");
-		}
-	}
-	/* not the main thread */
-	if (waiting_for_threads) {
-		dprintf(("main thread is waiting\n"));
-		if (usunsetlock(wait_lock) < 0)
-			perror("usunsetlock (wait_lock)");
-	}
-	if (usunsetlock(count_lock) < 0)
-		perror("usunsetlock (count_lock)");
-	_exit(0);
+    dprintf(("PyThread_exit_thread called\n"));
+    if (!initialized)
+        exit(0);
+    if (ussetlock(count_lock) < 0)
+        perror("ussetlock (count_lock)");
+    nthreads--;
+    if (getpid() == my_pid) {
+        /* main thread; wait for other threads to exit */
+        exiting = 1;
+        waiting_for_threads = 1;
+        if (ussetlock(wait_lock) < 0)
+            perror("ussetlock (wait_lock)");
+        for (;;) {
+            if (nthreads < 0) {
+                dprintf(("really exit (%d)\n", exit_status));
+                exit(exit_status);
+            }
+            if (usunsetlock(count_lock) < 0)
+                perror("usunsetlock (count_lock)");
+            dprintf(("waiting for other threads (%d)\n", nthreads));
+            if (ussetlock(wait_lock) < 0)
+                perror("ussetlock (wait_lock)");
+            if (ussetlock(count_lock) < 0)
+                perror("ussetlock (count_lock)");
+        }
+    }
+    /* not the main thread */
+    if (waiting_for_threads) {
+        dprintf(("main thread is waiting\n"));
+        if (usunsetlock(wait_lock) < 0)
+            perror("usunsetlock (wait_lock)");
+    }
+    if (usunsetlock(count_lock) < 0)
+        perror("usunsetlock (count_lock)");
+    _exit(0);
 }
 
 /*
@@ -216,44 +216,44 @@ void PyThread_exit_thread(void)
  */
 PyThread_type_lock PyThread_allocate_lock(void)
 {
-	ulock_t lock;
+    ulock_t lock;
 
-	dprintf(("PyThread_allocate_lock called\n"));
-	if (!initialized)
-		PyThread_init_thread();
+    dprintf(("PyThread_allocate_lock called\n"));
+    if (!initialized)
+        PyThread_init_thread();
 
-	if ((lock = usnewlock(shared_arena)) == NULL)
-		perror("usnewlock");
-	(void) usinitlock(lock);
-	dprintf(("PyThread_allocate_lock() -> %p\n", lock));
-	return (PyThread_type_lock) lock;
+    if ((lock = usnewlock(shared_arena)) == NULL)
+        perror("usnewlock");
+    (void) usinitlock(lock);
+    dprintf(("PyThread_allocate_lock() -> %p\n", lock));
+    return (PyThread_type_lock) lock;
 }
 
 void PyThread_free_lock(PyThread_type_lock lock)
 {
-	dprintf(("PyThread_free_lock(%p) called\n", lock));
-	usfreelock((ulock_t) lock, shared_arena);
+    dprintf(("PyThread_free_lock(%p) called\n", lock));
+    usfreelock((ulock_t) lock, shared_arena);
 }
 
 int PyThread_acquire_lock(PyThread_type_lock lock, int waitflag)
 {
-	int success;
+    int success;
 
-	dprintf(("PyThread_acquire_lock(%p, %d) called\n", lock, waitflag));
-	errno = 0;		/* clear it just in case */
-	if (waitflag)
-		success = ussetlock((ulock_t) lock);
-	else
-		success = uscsetlock((ulock_t) lock, 1); /* Try it once */
-	if (success < 0)
-		perror(waitflag ? "ussetlock" : "uscsetlock");
-	dprintf(("PyThread_acquire_lock(%p, %d) -> %d\n", lock, waitflag, success));
-	return success;
+    dprintf(("PyThread_acquire_lock(%p, %d) called\n", lock, waitflag));
+    errno = 0;                  /* clear it just in case */
+    if (waitflag)
+        success = ussetlock((ulock_t) lock);
+    else
+        success = uscsetlock((ulock_t) lock, 1); /* Try it once */
+    if (success < 0)
+        perror(waitflag ? "ussetlock" : "uscsetlock");
+    dprintf(("PyThread_acquire_lock(%p, %d) -> %d\n", lock, waitflag, success));
+    return success;
 }
 
 void PyThread_release_lock(PyThread_type_lock lock)
 {
-	dprintf(("PyThread_release_lock(%p) called\n", lock));
-	if (usunsetlock((ulock_t) lock) < 0)
-		perror("usunsetlock");
+    dprintf(("PyThread_release_lock(%p) called\n", lock));
+    if (usunsetlock((ulock_t) lock) < 0)
+        perror("usunsetlock");
 }