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return the number of transfered bytes in send, recv, read, write & co.

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This commit is contained in:
Stefan Lankes 2016-01-10 20:20:55 +01:00
parent 8bfd63ef7f
commit 08403461a9
2 changed files with 9 additions and 27 deletions
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34
hermit/kernel/syscall.c
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@ -47,15 +47,6 @@ extern int32_t isle;
extern int32_t possible_isles;
extern int libc_sd;
int* __getreent(void);
static inline int* libc_errno(void)
{
return __getreent();
}
tid_t sys_getpid(void)
{
task_t* task = per_core(current_task);
@ -116,13 +107,10 @@ ssize_t sys_read(int fd, char* buf, size_t len)
// do we have an LwIP file descriptor?
if (fd & LWIP_FD_BIT) {
ret = lwip_read(fd & ~LWIP_FD_BIT, buf, len);
if (ret)
{
*libc_errno() = errno;
return -1;
}
if (ret < 0)
return -errno;
return 0;
return ret;
}
if (libc_sd < 0)
@ -171,13 +159,10 @@ ssize_t sys_write(int fd, const char* buf, size_t len)
// do we have an LwIP file descriptor?
if (fd & LWIP_FD_BIT) {
ret = lwip_write(fd & ~LWIP_FD_BIT, buf, len);
if (ret)
{
*libc_errno() = errno;
return -1;
}
if (ret < 0)
return -errno;
return 0;
return ret;
}
if (libc_sd < 0)
@ -311,11 +296,8 @@ int sys_close(int fd)
// do we have an LwIP file descriptor?
if (fd & LWIP_FD_BIT) {
ret = lwip_close(fd & ~LWIP_FD_BIT);
if (ret)
{
*libc_errno() = errno;
return -1;
}
if (ret < 0)
return -errno;
return 0;
}

2
hermit/lwip

@ -1 +1 @@
Subproject commit 9e76e0b89f21173c1a311be6789360c1054eb269
Subproject commit 0791e0abfdb8f1144e34adfc463b45a5033c421f