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written some code for proxy handling

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hyung-hwan
2012-03-27 15:45:10 +00:00
parent 5a0bd73990
commit 3d07790370
5 changed files with 643 additions and 73 deletions
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21
qse/lib/cmn/pio.c
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@ -1484,6 +1484,9 @@ create_process:
goto oops;
}
/* prepare some data before vforking for vfork limitation.
* the child in vfork should not make function calls or
* change data shared with the parent. */
if (!(flags & QSE_PIO_NOCLOEXEC))
highest_fd = get_highest_fd ();
envarr = env? qse_env_getarr(env): environ;
@ -1498,7 +1501,11 @@ create_process:
if (pid == 0)
{
/* child */
/* the child after vfork should not make function calls.
* since the system call like close() are also normal
* functions, i have to use assembly macros to make
* system calls. */
qse_pio_hnd_t devnull = -1;
if (!(flags & QSE_PIO_NOCLOEXEC))
@ -1522,18 +1529,15 @@ create_process:
{
/* child should read */
QSE_SYSCALL1 (dummy, SYS_close, handle[1]);
/*handle[1] = QSE_PIO_HND_NIL;*/
QSE_SYSCALL2 (dummy, SYS_dup2, handle[0], 0);
if (dummy <= -1) goto child_oops;
QSE_SYSCALL1 (dummy, SYS_close, handle[0]);
/*handle[0] = QSE_PIO_HND_NIL;*/
}
if (flags & QSE_PIO_READOUT)
{
/* child should write */
QSE_SYSCALL1 (dummy, SYS_close, handle[2]);
/*handle[2] = QSE_PIO_HND_NIL;*/
QSE_SYSCALL2 (dummy, SYS_dup2, handle[3], 1);
if (dummy <= -1) goto child_oops;
@ -1544,14 +1548,12 @@ create_process:
}
QSE_SYSCALL1 (dummy, SYS_close, handle[3]);
/*handle[3] = QSE_PIO_HND_NIL;*/
}
if (flags & QSE_PIO_READERR)
{
/* child should write */
QSE_SYSCALL1 (dummy, SYS_close, handle[4]);
/*handle[4] = QSE_PIO_HND_NIL;*/
QSE_SYSCALL2 (dummy, SYS_dup2, handle[5], 2);
if (dummy <= -1) goto child_oops;
@ -1562,7 +1564,6 @@ create_process:
}
QSE_SYSCALL1 (dummy, SYS_close, handle[5]);
/*handle[5] = QSE_PIO_HND_NIL;*/
}
if ((flags & QSE_PIO_INTONUL) ||
@ -1606,11 +1607,7 @@ create_process:
if (flags & QSE_PIO_DROPERR) QSE_SYSCALL1 (dummy, SYS_close, 2);
QSE_SYSCALL3 (dummy, SYS_execve, param.argv[0], param.argv, envarr);
if (dummy == -1)
{
printf ("hello\n");
}
/*free_param (pio, &param); */
/*free_param (pio, &param); don't free this in the vfork version */
child_oops:
if (devnull >= 0) QSE_SYSCALL1 (dummy, SYS_close, devnull);