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numerous fixes to sysv ipc

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some of these definitions were just plain wrong, others based on
outdated ancient "non-64" versions of the kernel interface.

as much as possible has now been moved out of bits/*

these changes break abi (the old abi for these functions was wrong),
but since they were not working anyway it can hardly matter.
This commit is contained in:
Rich Felker
2011-04-13 16:45:43 -04:00
parent b5b43b6d62
commit 07e865cc5a
12 changed files with 96 additions and 66 deletions
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4
src/ipc/msgctl.c
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@ -5,8 +5,8 @@
int msgctl(int q, int cmd, struct msqid_ds *buf)
{
#ifdef SYS_msgctl
return syscall(SYS_msgctl, q, cmd, buf);
return syscall(SYS_msgctl, q, cmd | 0x100, buf);
#else
return syscall(SYS_ipc, IPCOP_msgctl, q, cmd, buf);
return syscall(SYS_ipc, IPCOP_msgctl, q, cmd | 0x100, 0, buf, 0);
#endif
}

2
src/ipc/semctl.c
View File

@ -11,7 +11,7 @@ int semctl(int id, int num, int cmd, ...)
arg = va_arg(ap, long);
va_end(ap);
#ifdef SYS_semctl
return syscall(SYS_semctl, id, num, cmd, arg);
return syscall(SYS_semctl, id, num, cmd | 0x100, arg);
#else
return syscall(SYS_ipc, IPCOP_semctl, id, num, cmd | 0x100, &arg);
#endif

4
src/ipc/shmctl.c
View File

@ -5,8 +5,8 @@
int shmctl(int id, int cmd, struct shmid_ds *buf)
{
#ifdef SYS_shmctl
return syscall(SYS_shmctl, id, cmd, buf);
return syscall(SYS_shmctl, id, cmd | IPC_MODERN, buf);
#else
return syscall(SYS_ipc, IPCOP_shmctl, id, cmd | IPC_MODERN, buf);
return syscall(SYS_ipc, IPCOP_shmctl, id, cmd | IPC_MODERN, 0, buf, 0);
#endif
}