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Fix many thread and file descriptor issues on Windows

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The greenbean web server now works nearly perfectly on Windows with over
1000 threads. But some synchronization issues still remain which prevent
us from going over nine thousand.
This commit is contained in:
Justine Tunney 2022-05-20 18:51:41 -07:00
parent 96781d0679
commit 7838edae88
32 changed files with 363 additions and 192 deletions
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15
libc/intrin/virtualprotect.c
View file

@ -24,6 +24,11 @@
__msabi extern typeof(VirtualProtect) *const __imp_VirtualProtect;
static const char *DescribeVpFlags(uint32_t *x) {
if (!x) return "n/a";
return DescribeNtPageFlags(*x);
}
/**
* Protects memory on the New Technology.
* @note this wrapper takes care of ABI, STRACE(), and __winerr()
@ -34,13 +39,9 @@ textwindows bool32 VirtualProtect(void *lpAddress, uint64_t dwSize,
bool32 bOk;
char oldbuf[64];
bOk = __imp_VirtualProtect(lpAddress, dwSize, flNewProtect, lpflOldProtect);
if (bOk) {
__stpcpy(oldbuf, DescribeNtPageFlags(*lpflOldProtect));
} else {
__winerr();
__stpcpy(oldbuf, "n/a");
}
if (!bOk) __winerr();
NTTRACE("VirtualProtect(%p, %'zu, %s, [%s]) → %hhhd% m", lpAddress, dwSize,
DescribeNtPageFlags(flNewProtect), oldbuf, bOk);
DescribeNtPageFlags(flNewProtect),
DescribeVpFlags(bOk ? lpflOldProtect : 0), bOk);
return bOk;
}