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- Extended the thread-safety locking to the file descriptors.

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git-svn-id: file:///Users/olsen/Code/migration-svn-zu-git/logical-line-staging/clib2/trunk@14844 87f5fb63-7c3d-0410-a384-fd976d0f7a62
This commit is contained in:
Olaf Barthel
2005-02-28 13:22:53 +00:00
parent 1df294c07e
commit c799b17bb9
25 changed files with 282 additions and 52 deletions
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library/stdio_init_exit.c
+23 -9
View File
@@ -1,5 +1,5 @@
/*
* $Id: stdio_init_exit.c,v 1.20 2005-02-28 10:07:31 obarthel Exp $
* $Id: stdio_init_exit.c,v 1.21 2005-02-28 13:22:53 obarthel Exp $
*
* :ts=4
*
@@ -66,6 +66,8 @@ __close_all_files(void)
__check_abort_enabled = FALSE;
__stdio_lock();
if(__iob != NULL && __num_iob > 0)
{
for(i = 0 ; i < __num_iob ; i++)
@@ -90,6 +92,8 @@ __close_all_files(void)
__fd = NULL;
}
__stdio_unlock();
LEAVE();
}
@@ -113,7 +117,8 @@ __stdio_init(void)
{
const int num_standard_files = (STDERR_FILENO-STDIN_FILENO+1);
struct SignalSemaphore * lock;
struct SignalSemaphore * stdio_lock;
struct SignalSemaphore * fd_lock;
BPTR default_file;
ULONG fd_flags,iob_flags;
int result = ERROR;
@@ -197,15 +202,24 @@ __stdio_init(void)
{
/* Allocate memory for an arbitration mechanism, then
initialize it. */
lock = AllocVec(sizeof(*lock),MEMF_ANY|MEMF_PUBLIC);
if(lock == NULL)
goto out;
stdio_lock = AllocVec(sizeof(*stdio_lock),MEMF_ANY|MEMF_PUBLIC);
fd_lock = AllocVec(sizeof(*fd_lock),MEMF_ANY|MEMF_PUBLIC);
InitSemaphore(lock);
if(stdio_lock == NULL || fd_lock == NULL)
{
FreeVec(stdio_lock);
FreeVec(fd_lock);
goto out;
}
InitSemaphore(stdio_lock);
InitSemaphore(fd_lock);
}
#else
{
lock = NULL;
stdio_lock = NULL;
fd_lock = NULL;
}
#endif /* __THREAD_SAFE */
@@ -223,7 +237,7 @@ __stdio_init(void)
/* Align the buffer start address to a cache line boundary. */
aligned_buffer = (char *)((ULONG)(buffer + (CACHE_LINE_SIZE-1)) & ~(CACHE_LINE_SIZE-1));
__initialize_fd(__fd[i],__fd_hook_entry,default_file,fd_flags);
__initialize_fd(__fd[i],__fd_hook_entry,default_file,fd_flags,fd_lock);
__initialize_iob(__iob[i],__iob_hook_entry,
buffer,
@@ -231,7 +245,7 @@ __stdio_init(void)
i,
i,
iob_flags,
lock);
stdio_lock);
}
/* If the program was launched from Workbench, we continue by