qiurui
/
glibc
mirror of git://sourceware.org/git/glibc.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

(struct pthread): Move most often used elements to the front.

This commit is contained in:
Ulrich Drepper 2003-03-30 19:45:57 +00:00
parent f8278d5d09
commit 5869d4ecdf
1 changed files with 11 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
nptl/descr.h
View File

@ -86,7 +86,11 @@ struct pthread
/* List of cleanup buffers. */ /* List of cleanup buffers. */
struct _pthread_cleanup_buffer *cleanup; struct _pthread_cleanup_buffer *cleanup;
/* Two-level array for the thread-specific data. */ /* True if events must be reported. */
bool report_events;
/* We allocate one block of references here. This should be enough
to avoid allocating any memory dynamically for most applications. */
struct pthread_key_data struct pthread_key_data
{ {
/* Sequence number. We use uintptr_t to not require padding on /* Sequence number. We use uintptr_t to not require padding on
@ -96,20 +100,18 @@ struct pthread
/* Data pointer. */ /* Data pointer. */
void *data; void *data;
} *specific[PTHREAD_KEY_1STLEVEL_SIZE]; } specific_1stblock[PTHREAD_KEY_2NDLEVEL_SIZE];
/* We allocate one block of references here. This should be enough
to avoid allocating any memory dynamically for most applications. */
struct pthread_key_data specific_1stblock[PTHREAD_KEY_2NDLEVEL_SIZE];
/* Flag which is set when specific data is set. */ /* Flag which is set when specific data is set. */
bool specific_used; bool specific_used;
/* Two-level array for the thread-specific data. */
struct pthread_key_data *specific[PTHREAD_KEY_1STLEVEL_SIZE];
/* True if the user provided the stack. */ /* True if the user provided the stack. */
bool user_stack; bool user_stack;
/* True if events must be reported. */ /* Lock to synchronize access to the descriptor. */
bool report_events;
/* Lock to syncronize access to the descriptor. */
lll_lock_t lock; lll_lock_t lock;
#if HP_TIMING_AVAIL #if HP_TIMING_AVAIL