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Improve synchronization

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- Fix bugs in kDos2Errno definition
- malloc() should now be thread safe
- Fix bug in rollup.com header generator
- Fix open(O_APPEND) on the New Technology
- Fix select() on the New Technology and test it
- Work towards refactoring i/o for thread safety
- Socket reads and writes on NT now poll for signals
- Work towards i/o completion ports on the New Technology
- Make read() and write() intermittently check for signals
- Blinkenlights keyboard i/o so much better on NT w/ poll()
- You can now poll() files and sockets at the same time on NT
- Fix bug in appendr() that manifests with dlmalloc footers off
This commit is contained in:
Justine Tunney 2022-04-14 23:39:48 -07:00
parent 233144b19d
commit 933411ba99
266 changed files with 8761 additions and 4344 deletions
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23
libc/sock/socketpair-nt.c
View file

@ -19,6 +19,7 @@
#include "libc/nt/createfile.h"
#include "libc/nt/enum/accessmask.h"
#include "libc/nt/enum/creationdisposition.h"
#include "libc/nt/enum/fileflagandattributes.h"
#include "libc/nt/ipc.h"
#include "libc/nt/runtime.h"
#include "libc/sock/internal.h"
@ -42,34 +43,32 @@ textwindows int sys_socketpair_nt(int family, int type, int proto, int sv[2]) {
if (type & SOCK_CLOEXEC) oflags |= O_CLOEXEC;
type &= ~SOCK_CLOEXEC;
mode = kNtPipeWait;
if (type == SOCK_STREAM) {
mode |= kNtPipeReadmodeByte | kNtPipeTypeByte;
mode = kNtPipeTypeByte | kNtPipeReadmodeByte;
} else if ((type == SOCK_DGRAM) || (type == SOCK_SEQPACKET)) {
mode |= kNtPipeReadmodeMessage | kNtPipeTypeMessage;
mode = kNtPipeTypeMessage | kNtPipeReadmodeMessage;
} else {
return eopnotsupp();
}
CreatePipeName(pipename);
if ((reader = __reservefd()) == -1) return -1;
if ((writer = __reservefd()) == -1) {
if ((reader = __reservefd(-1)) == -1) return -1;
if ((writer = __reservefd(-1)) == -1) {
__releasefd(reader);
return -1;
}
if ((hpipe = CreateNamedPipe(pipename, kNtPipeAccessDuplex, mode, 1, 65536,
65536, 0, &kNtIsInheritable)) == -1) {
if ((hpipe = CreateNamedPipe(
pipename, kNtPipeAccessDuplex | kNtFileFlagOverlapped, mode, 1,
65536, 65536, 0, &kNtIsInheritable)) == -1) {
__releasefd(writer);
__releasefd(reader);
return -1;
}
h1 = CreateFile(pipename, kNtGenericWrite | kNtGenericRead,
0, // Not shared
&kNtIsInheritable, kNtOpenExisting, 0, 0);
h1 = CreateFile(pipename, kNtGenericWrite | kNtGenericRead, 0,
&kNtIsInheritable, kNtOpenExisting, kNtFileFlagOverlapped, 0);
if (h1 == -1) {
CloseHandle(hpipe);
__winerr();
__releasefd(writer);
__releasefd(reader);
return -1;
@ -77,10 +76,12 @@ textwindows int sys_socketpair_nt(int family, int type, int proto, int sv[2]) {
g_fds.p[reader].kind = kFdFile;
g_fds.p[reader].flags = oflags;
g_fds.p[reader].mode = 0140444;
g_fds.p[reader].handle = hpipe;
g_fds.p[writer].kind = kFdFile;
g_fds.p[writer].flags = oflags;
g_fds.p[writer].mode = 0140222;
g_fds.p[writer].handle = h1;
sv[0] = reader;