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merge(3p/git): Merge git subtree at v2.29.2

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This also bumps the stable nixpkgs to 20.09 as of 2020-11-21, because
there is some breakage in the git build related to the netrc
credentials helper which someone has taken care of in nixpkgs.

The stable channel is not used for anything other than git, so this
should be fine.

Change-Id: I3575a19dab09e1e9556cf8231d717de9890484fb
This commit is contained in:
Vincent Ambo 2020-11-21 19:20:35 +01:00
parent 082c006c04
commit f4609b896f
1485 changed files with 241535 additions and 109418 deletions
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12
third_party/git/compat/nedmalloc/malloc.c.h vendored
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@ -1564,7 +1564,7 @@ static FORCEINLINE void* win32direct_mmap(size_t size) {
return (ptr != 0)? ptr: MFAIL;
}
/* This function supports releasing coalesed segments */
/* This function supports releasing coalesced segments */
static FORCEINLINE int win32munmap(void* ptr, size_t size) {
MEMORY_BASIC_INFORMATION minfo;
char* cptr = (char*)ptr;
@ -1655,7 +1655,7 @@ static FORCEINLINE int win32munmap(void* ptr, size_t size) {
#define CALL_MREMAP(addr, osz, nsz, mv) MFAIL
#endif /* HAVE_MMAP && HAVE_MREMAP */
/* mstate bit set if continguous morecore disabled or failed */
/* mstate bit set if contiguous morecore disabled or failed */
#define USE_NONCONTIGUOUS_BIT (4U)
/* segment bit set in create_mspace_with_base */
@ -1755,10 +1755,10 @@ static FORCEINLINE void pthread_release_lock (MLOCK_T *sl) {
assert(sl->l != 0);
assert(sl->threadid == CURRENT_THREAD);
if (--sl->c == 0) {
sl->threadid = 0;
volatile unsigned int* lp = &sl->l;
int prev = 0;
int ret;
sl->threadid = 0;
__asm__ __volatile__ ("lock; xchgl %0, %1"
: "=r" (ret)
: "m" (*(lp)), "0"(prev)
@ -2485,7 +2485,7 @@ typedef struct malloc_segment* msegmentptr;
Trim support
Fields holding the amount of unused topmost memory that should trigger
timming, and a counter to force periodic scanning to release unused
timing, and a counter to force periodic scanning to release unused
non-topmost segments.
Locking
@ -3066,7 +3066,7 @@ static int init_mparams(void) {
#if !ONLY_MSPACES
/* Set up lock for main malloc area */
gm->mflags = mparams.default_mflags;
INITIAL_LOCK(&gm->mutex);
(void)INITIAL_LOCK(&gm->mutex);
#endif
#if (FOOTERS && !INSECURE)
@ -5017,7 +5017,7 @@ static mstate init_user_mstate(char* tbase, size_t tsize) {
mchunkptr msp = align_as_chunk(tbase);
mstate m = (mstate)(chunk2mem(msp));
memset(m, 0, msize);
INITIAL_LOCK(&m->mutex);
(void)INITIAL_LOCK(&m->mutex);
msp->head = (msize|PINUSE_BIT|CINUSE_BIT);
m->seg.base = m->least_addr = tbase;
m->seg.size = m->footprint = m->max_footprint = tsize;