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Implement zipos mmap (#725)

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Gavin Hayes 2023-02-02 05:28:50 -05:00 • committed by GitHub
parent 6d36584ff2
commit fd0da9c0df
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7 changed files with 175 additions and 4 deletions
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6
libc/runtime/mmap.c
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@ -50,6 +50,7 @@
#include "libc/sysv/consts/prot.h"
#include "libc/sysv/errfuns.h"
#include "libc/thread/thread.h"
#include "libc/zipos/zipos.internal.h"
#define MAP_ANONYMOUS_linux 0x00000020
#define MAP_ANONYMOUS_openbsd 0x00001000
@ -485,6 +486,11 @@ static noasan inline void *Mmap(void *addr, size_t size, int prot, int flags,
void *mmap(void *addr, size_t size, int prot, int flags, int fd, int64_t off) {
void *res;
size_t toto;
if (__isfdkind(fd, kFdZip)) {
return _weaken(__zipos_mmap)(
addr, size, prot, flags,
(struct ZiposHandle *)(intptr_t)g_fds.p[fd].handle, off);
}
#if defined(SYSDEBUG) && (_KERNTRACE || _NTTRACE)
if (IsWindows()) {
STRACE("mmap(%p, %'zu, %s, %s, %d, %'ld) → ...", addr, size,