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linux-user: Support F_GETPIPE_SZ and F_SETPIPE_SZ fcntls 

Support the F_GETPIPE_SZ and F_SETPIPE_SZ fcntl operations.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
This commit is contained in:
Peter Maydell 2016-06-20 15:50:37 +01:00 committed by Riku Voipio
parent 4debae6fa5
commit 7e3b92ece0
3 changed files with 15 additions and 0 deletions
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7
linux-user/strace.c
View File

@ -918,6 +918,13 @@ print_fcntl(const struct syscallname *name,
case TARGET_F_GETLEASE:
gemu_log("F_GETLEASE");
break;
case TARGET_F_SETPIPE_SZ:
gemu_log("F_SETPIPE_SZ,");
print_raw_param(TARGET_ABI_FMT_ld, arg2, 1);
break;
case TARGET_F_GETPIPE_SZ:
gemu_log("F_GETPIPE_SZ");
break;
case TARGET_F_DUPFD_CLOEXEC:
gemu_log("F_DUPFD_CLOEXEC,");
print_raw_param(TARGET_ABI_FMT_ld, arg2, 1);

6
linux-user/syscall.c
View File

@ -5585,6 +5585,10 @@ static int target_to_host_fcntl_cmd(int cmd)
case TARGET_F_SETOWN_EX:
return F_SETOWN_EX;
#endif
case TARGET_F_SETPIPE_SZ:
return F_SETPIPE_SZ;
case TARGET_F_GETPIPE_SZ:
return F_GETPIPE_SZ;
default:
return -TARGET_EINVAL;
}
@ -5822,6 +5826,8 @@ static abi_long do_fcntl(int fd, int cmd, abi_ulong arg)
case TARGET_F_GETSIG:
case TARGET_F_SETLEASE:
case TARGET_F_GETLEASE:
case TARGET_F_SETPIPE_SZ:
case TARGET_F_GETPIPE_SZ:
ret = get_errno(safe_fcntl(fd, host_cmd, arg));
break;

2
linux-user/syscall_defs.h
View File

@ -2166,6 +2166,8 @@ struct target_statfs64 {
#define TARGET_F_SETLEASE (TARGET_F_LINUX_SPECIFIC_BASE + 0)
#define TARGET_F_GETLEASE (TARGET_F_LINUX_SPECIFIC_BASE + 1)
#define TARGET_F_DUPFD_CLOEXEC (TARGET_F_LINUX_SPECIFIC_BASE + 6)
#define TARGET_F_SETPIPE_SZ (TARGET_F_LINUX_SPECIFIC_BASE + 7)
#define TARGET_F_GETPIPE_SZ (TARGET_F_LINUX_SPECIFIC_BASE + 8)
#define TARGET_F_NOTIFY (TARGET_F_LINUX_SPECIFIC_BASE+2)
#if defined(TARGET_ALPHA)