mirrors/cosmopolitan
1
0
Fork 0
mirror of https://github.com/jart/cosmopolitan.git synced 2025-06-27 23:08:31 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

Get Redbean fork() working on the New Technology

Browse source 
Now that we have understandable system call tracing on Windows, this
change rewrites many of the polyfill internals for that platform, to
help things get closer to tip top shape. Support for complex forking
scenarios had been in a regressed state for quite some time. Now, it
works! Subsequent changes should be able to address the performance.
This commit is contained in:
Justine Tunney 2022-03-20 08:01:14 -07:00
parent efedef6e65
commit 0cb6b6ff4b
84 changed files with 1340 additions and 338 deletions
Download patch file Download diff file Expand all files Collapse all files

14
libc/runtime/memtrack.internal.h
View file

@ -14,9 +14,11 @@ COSMOPOLITAN_C_START_
#define kAutomapSize \
_kMem(0x200000000000 - 0x100080000000 - _kMmi(0x800000000000), \
0x000040000000 - 0x000010000000 - _kMmi(0x000080000000))
#define kMemtrackStart \
_kMem(0x200000000000 - _kMmi(0x800000000000), \
0x000040000000 - _kMmi(0x000080000000))
#define kMemtrackStart \
(ROUNDDOWN(_kMem(0x200000000000 - _kMmi(0x800000000000), \
0x000040000000 - _kMmi(0x000080000000)), \
FRAMESIZE * 8) - \
0x8000 * 8 /* so frame aligned after adding 0x7fff8000 */)
#define kMemtrackSize _kMem(_kMmi(0x800000000000), _kMmi(0x000080000000))
#define kMemtrackGran (!IsAsan() ? FRAMESIZE : FRAMESIZE * 8)
#define kFixedmapStart _kMem(0x300000000000, 0x000040000000)
@ -34,6 +36,8 @@ struct MemoryInterval {
long h;
int prot;
int flags;
long offset;
long size;
};
struct MemoryIntervals {
@ -50,8 +54,8 @@ char *DescribeProt(int, char[hasatleast 4]);
char *DescribeMapping(int, int, char[hasatleast 8]) hidden;
bool AreMemoryIntervalsOk(const struct MemoryIntervals *) nosideeffect hidden;
void PrintMemoryIntervals(int, const struct MemoryIntervals *) hidden;
int TrackMemoryInterval(struct MemoryIntervals *, int, int, long, int,
int) hidden;
int TrackMemoryInterval(struct MemoryIntervals *, int, int, long, int, int,
long, long) hidden;
int ReleaseMemoryIntervals(struct MemoryIntervals *, int, int,
void (*)(struct MemoryIntervals *, int, int)) hidden;
void ReleaseMemoryNt(struct MemoryIntervals *, int, int) hidden;