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hurd: optimize exec cleanup 

When ports are nul we do not need to request their deallocation. It is
also useless to look for them in portnames.
This commit is contained in:
Samuel Thibault 2022-01-16 00:02:16 +01:00
parent 54dda2cdba
commit 41a11a5e83
2 changed files with 28 additions and 24 deletions
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26
hurd/hurdexec.c
View File

@ -383,19 +383,21 @@ retry:
exec call. */
for (i = 0; i < _hurd_nports; ++i)
{
*pdp++ = ports[i];
for (j = 0; j < nportnames; j++)
if (portnames[j] == ports[i])
portnames[j] = MACH_PORT_NULL;
}
if (ports[i] != MACH_PORT_NULL)
{
*pdp++ = ports[i];
for (j = 0; j < nportnames; j++)
if (portnames[j] == ports[i])
portnames[j] = MACH_PORT_NULL;
}
for (i = 0; i < dtablesize; ++i)
{
*pdp++ = dtable[i];
for (j = 0; j < nportnames; j++)
if (portnames[j] == dtable[i])
portnames[j] = MACH_PORT_NULL;
}
if (dtable[i] != MACH_PORT_NULL)
{
*pdp++ = dtable[i];
for (j = 0; j < nportnames; j++)
if (portnames[j] == dtable[i])
portnames[j] = MACH_PORT_NULL;
}
/* Pack ports to be destroyed together. */
for (i = 0, j = 0; i < nportnames; i++)

26
sysdeps/mach/hurd/dl-sysdep.c
View File

@ -611,19 +611,21 @@ __rtld_execve (const char *file_name, char *const argv[],
}
for (i = 0; i < portarraysize; ++i)
{
*pdp++ = ports[i];
for (j = 0; j < nportnames; j++)
if (portnames[j] == ports[i])
portnames[j] = MACH_PORT_NULL;
}
if (ports[i] != MACH_PORT_NULL)
{
*pdp++ = ports[i];
for (j = 0; j < nportnames; j++)
if (portnames[j] == ports[i])
portnames[j] = MACH_PORT_NULL;
}
for (i = 0; i < dtablesize; ++i)
{
*pdp++ = dtable[i];
for (j = 0; j < nportnames; j++)
if (portnames[j] == dtable[i])
portnames[j] = MACH_PORT_NULL;
}
if (dtable[i] != MACH_PORT_NULL)
{
*pdp++ = dtable[i];
for (j = 0; j < nportnames; j++)
if (portnames[j] == dtable[i])
portnames[j] = MACH_PORT_NULL;
}
/* Pack ports to be destroyed together. */
for (i = 0, j = 0; i < nportnames; i++)