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Fix bit flags on fcntl linux POSIX implemention. Add sys/sem linux implementation.

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Isaac Andrade
2024-09-15 18:43:51 -06:00
parent 8616842ec6
commit 97e06cb98e
2 changed files with 37 additions and 2 deletions
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9
core/sys/posix/fcntl.odin
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@@ -123,12 +123,16 @@ O_Flag_Bits :: enum c.int {
NONBLOCK = log2(O_NONBLOCK),
// Write I/O shall complete as defined by synchronized I/O file integrity completion.
SYNC = log2(O_SYNC),
// NOTE: use with `posix.O_RSYNC + { .OTHER_FLAG, .OTHER_FLAG }`, unfortunately can't be in
// this bit set enum because it is 0 on some platforms and a value on others.
// RSYNC = O_RSYNC,
// Execute only.
EXEC = O_EXEC when ODIN_OS == .Linux else log2(O_EXEC),
// NOTE: use with `posix.O_ENTER + { .OTHER_FLAG, .OTHER_FLAG }`, unfortunately can't be in
// this bit set enum because it is 0 on some platforms and a value on others.
// EXEC = O_EXEC
// Reading and writing.
RDWR = log2(O_RDWR),
// Writing only.
@@ -139,7 +143,8 @@ O_Flag_Bits :: enum c.int {
O_Flags :: bit_set[O_Flag_Bits; c.int]
// A mask of all the access mode bits.
O_ACCMODE :: O_Flags{ .EXEC, .RDWR, .WRONLY }
// NOTE: .EXEC and .RDONLY also belong here, but they are 0 on some platforms.
O_ACCMODE :: O_Flags{ .RDWR, .WRONLY }
AT_Flag_Bits :: enum c.int {
EACCESS = log2(AT_EACCESS),

30
core/sys/posix/sys_sem.odin
View File

@@ -127,6 +127,36 @@ when ODIN_OS == .Darwin || ODIN_OS == .FreeBSD || ODIN_OS == .NetBSD || ODIN_OS
sem_flg: c.short, /* [PSX] operation flags */
}
} else when ODIN_OS == .Linux {
SEM_UNDO :: 0x1000 // undo the operation on exit
// Commands for `semctl'.
GETPID :: 11
GETVAL :: 12
GETALL :: 13
GETNCNT :: 14
GETZCNT :: 15
SETVAL :: 16
SETALL :: 17
semid_ds :: struct {
sem_perm: ipc_perm, // [PSX] operation permission structure
sem_otime: time_t, // [PSX] last semop()
__sem_otime_high: c.ulong,
sem_ctime: time_t, // [PSX] last time changed by semctl()
__sem_ctime_high: c.ulong,
sem_nsems: c.ulong, // [PSX] number of semaphores in set
__glibc_reserved3: c.ulong,
__glibc_reserved4: c.ulong,
}
sembuf :: struct {
sem_num: c.ushort, /* [PSX] semaphore number */
sem_op: c.short, /* [PSX] semaphore operation */
sem_flg: c.short, /* [PSX] operation flags */
}
} else {
#panic("posix is unimplemented for the current target")
}