diff options
| author | Marvin Borner | 2021-02-07 16:58:48 +0100 |
|---|---|---|
| committer | Marvin Borner | 2021-02-07 16:58:48 +0100 |
| commit | 59894afa1bc0f4efc85917710adf2e93d7e17a5e (patch) | |
| tree | eafaa21081430de4a0d09d8ac963ddc4e2f21a00 /libc | |
| parent | eca4dfd49216f6158df69143994a18a0b3edd4fe (diff) | |
Added poll syscall
Diffstat (limited to 'libc')
| -rw-r--r-- | libc/crt/crt0.asm | 2 | ||||
| -rw-r--r-- | libc/inc/sys.h | 10 |
2 files changed, 7 insertions, 5 deletions
diff --git a/libc/crt/crt0.asm b/libc/crt/crt0.asm index 006bcb2..a0621ff 100644 --- a/libc/crt/crt0.asm +++ b/libc/crt/crt0.asm @@ -10,6 +10,6 @@ _start: call main push eax - push 7 + push 8 call sys1 jmp $ diff --git a/libc/inc/sys.h b/libc/inc/sys.h index 14f83dd..231a0e2 100644 --- a/libc/inc/sys.h +++ b/libc/inc/sys.h @@ -16,6 +16,7 @@ enum sys { SYS_STAT, // Get file information SYS_READ, // Read file SYS_WRITE, // Write to file + SYS_POLL, // Wait for multiple files SYS_EXEC, // Execute path SYS_EXIT, // Exit current process // TODO: Free all memory of process SYS_YIELD, // Switch to next process @@ -73,12 +74,13 @@ int sysv(enum sys num, ...); */ #define loop() sys0(SYS_LOOP) -#define stat(path, stat) (u32) sys2(SYS_STAT, (int)(path), (int)(stat)) #define read(path, buf, offset, count) \ - (u32) sys4(SYS_READ, (int)(path), (int)(buf), (int)(offset), (int)(count)) + (s32) sys4(SYS_READ, (int)(path), (int)(buf), (int)(offset), (int)(count)) #define write(path, buf, offset, count) \ - (u32) sys4(SYS_WRITE, (int)(path), (int)(buf), (int)(offset), (int)(count)) -#define exec(path, ...) (int)sysv(SYS_EXEC, (int)(path), ##__VA_ARGS__) + (s32) sys4(SYS_WRITE, (int)(path), (int)(buf), (int)(offset), (int)(count)) +#define stat(path, stat) (s32) sys2(SYS_STAT, (int)(path), (int)(stat)) +#define poll(files) (s32) sys1(SYS_POLL, (int)(files)) +#define exec(path, ...) (s32) sysv(SYS_EXEC, (int)(path), ##__VA_ARGS__) #define exit(status) \ { \ sys1(SYS_EXIT, (int)status); \ |