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Work towards improving signals and processes

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This commit is contained in:
Justine Tunney 2021-01-27 19:34:02 -08:00
parent de703b182c
commit d7ac16a9ed
96 changed files with 1474 additions and 427 deletions
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22
libc/calls/fcntl-nt.c
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@ -17,6 +17,9 @@
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/calls/internal.h"
#include "libc/nt/enum/accessmask.h"
#include "libc/nt/enum/fileflagandattributes.h"
#include "libc/nt/enum/filesharemode.h"
#include "libc/nt/files.h"
#include "libc/sysv/consts/f.h"
#include "libc/sysv/consts/fd.h"
@ -30,7 +33,22 @@ textwindows int fcntl$nt(int fd, int cmd, unsigned arg) {
case F_GETFL:
return g_fds.p[fd].flags;
case F_SETFL:
return (g_fds.p[fd].flags = arg);
if (ReOpenFile(
g_fds.p[fd].handle,
(arg & O_APPEND)
? kNtFileAppendData
: (arg & O_ACCMODE) == O_RDONLY
? kNtGenericExecute | kNtFileGenericRead
: kNtGenericExecute | kNtFileGenericRead |
kNtFileGenericWrite,
(arg & O_EXCL) == O_EXCL
? kNtFileShareExclusive
: kNtFileShareRead | kNtFileShareWrite | kNtFileShareDelete,
kNtFileAttributeNotContentIndexed | kNtFileAttributeNormal)) {
return (g_fds.p[fd].flags = arg);
} else {
return __winerr();
}
case F_GETFD:
if (g_fds.p[fd].flags & O_CLOEXEC) {
return FD_CLOEXEC;
@ -38,7 +56,7 @@ textwindows int fcntl$nt(int fd, int cmd, unsigned arg) {
return 0;
}
case F_SETFD:
if (arg & O_CLOEXEC) {
if (arg & FD_CLOEXEC) {
g_fds.p[fd].flags |= O_CLOEXEC;
return FD_CLOEXEC;
} else {