this repo has no description
Support the use of the new kernel psynch code
...but don't enable it. It's broken at the moment.
+8
+8
src/kernel/emulation/linux/psynch/psynch_errno.c
+8
src/kernel/emulation/linux/psynch/psynch_errno.c
···
1
1
#include "../errno.h"
2
2
3
+
#ifndef USE_NEW_PSYNC_CODE
4
+
#define USE_NEW_PSYNC_CODE 0
5
+
#endif
6
+
3
7
// psynch syscalls send back extra bits and leave only the bottom 8 bits for errors
4
8
// So we have to filter out the top 24 bits, translate errno and put the 24 bits back.
5
9
int psynch_errno(int rv)
···
10
14
11
15
rv = -rv;
12
16
top = rv & 0xffffff00;
17
+
#if USE_NEW_PSYNC_CODE
18
+
rv = rv & 0xff;
19
+
#else
13
20
rv = errno_linux_to_bsd(rv & 0xff);
21
+
#endif
14
22
rv |= top;
15
23
16
24
return -rv;