| 1 | /*
|
|---|
| 2 | Unix SMB/CIFS implementation.
|
|---|
| 3 |
|
|---|
| 4 | Copyright (C) Andrew Tridgell 2005
|
|---|
| 5 | Copyright (C) Jelmer Vernooij 2005
|
|---|
| 6 |
|
|---|
| 7 | ** NOTE! The following LGPL license applies to the tevent
|
|---|
| 8 | ** library. This does NOT imply that all of Samba is released
|
|---|
| 9 | ** under the LGPL
|
|---|
| 10 |
|
|---|
| 11 | This library is free software; you can redistribute it and/or
|
|---|
| 12 | modify it under the terms of the GNU Lesser General Public
|
|---|
| 13 | License as published by the Free Software Foundation; either
|
|---|
| 14 | version 3 of the License, or (at your option) any later version.
|
|---|
| 15 |
|
|---|
| 16 | This library is distributed in the hope that it will be useful,
|
|---|
| 17 | but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|---|
| 18 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|---|
| 19 | Lesser General Public License for more details.
|
|---|
| 20 |
|
|---|
| 21 | You should have received a copy of the GNU Lesser General Public
|
|---|
| 22 | License along with this library; if not, see <http://www.gnu.org/licenses/>.
|
|---|
| 23 | */
|
|---|
| 24 |
|
|---|
| 25 | #include "replace.h"
|
|---|
| 26 | #include "talloc.h"
|
|---|
| 27 | #include "tevent.h"
|
|---|
| 28 | #include "tevent_internal.h"
|
|---|
| 29 | #include "tevent_util.h"
|
|---|
| 30 | #include <fcntl.h>
|
|---|
| 31 | #ifdef __OS2__
|
|---|
| 32 | #include <sys/filio.h>
|
|---|
| 33 | #endif
|
|---|
| 34 |
|
|---|
| 35 | /**
|
|---|
| 36 | return the number of elements in a string list
|
|---|
| 37 | */
|
|---|
| 38 | size_t ev_str_list_length(const char **list)
|
|---|
| 39 | {
|
|---|
| 40 | size_t ret;
|
|---|
| 41 | for (ret=0;list && list[ret];ret++) /* noop */ ;
|
|---|
| 42 | return ret;
|
|---|
| 43 | }
|
|---|
| 44 |
|
|---|
| 45 | /**
|
|---|
| 46 | add an entry to a string list
|
|---|
| 47 | */
|
|---|
| 48 | const char **ev_str_list_add(const char **list, const char *s)
|
|---|
| 49 | {
|
|---|
| 50 | size_t len = ev_str_list_length(list);
|
|---|
| 51 | const char **ret;
|
|---|
| 52 |
|
|---|
| 53 | ret = talloc_realloc(NULL, list, const char *, len+2);
|
|---|
| 54 | if (ret == NULL) return NULL;
|
|---|
| 55 |
|
|---|
| 56 | ret[len] = talloc_strdup(ret, s);
|
|---|
| 57 | if (ret[len] == NULL) return NULL;
|
|---|
| 58 |
|
|---|
| 59 | ret[len+1] = NULL;
|
|---|
| 60 |
|
|---|
| 61 | return ret;
|
|---|
| 62 | }
|
|---|
| 63 |
|
|---|
| 64 |
|
|---|
| 65 | /**
|
|---|
| 66 | Set a fd into blocking/nonblocking mode. Uses POSIX O_NONBLOCK if available,
|
|---|
| 67 | else
|
|---|
| 68 | if SYSV use O_NDELAY
|
|---|
| 69 | if BSD use FNDELAY
|
|---|
| 70 | **/
|
|---|
| 71 |
|
|---|
| 72 | int ev_set_blocking(int fd, bool set)
|
|---|
| 73 | {
|
|---|
| 74 | int val;
|
|---|
| 75 | #ifdef O_NONBLOCK
|
|---|
| 76 | #define FLAG_TO_SET O_NONBLOCK
|
|---|
| 77 | #else
|
|---|
| 78 | #ifdef SYSV
|
|---|
| 79 | #define FLAG_TO_SET O_NDELAY
|
|---|
| 80 | #else /* BSD */
|
|---|
| 81 | #define FLAG_TO_SET FNDELAY
|
|---|
| 82 | #endif
|
|---|
| 83 | #endif
|
|---|
| 84 |
|
|---|
| 85 | if((val = fcntl(fd, F_GETFL, 0)) == -1)
|
|---|
| 86 | return -1;
|
|---|
| 87 | #ifndef __OS2__
|
|---|
| 88 | if(set) /* Turn blocking on - ie. clear nonblock flag */
|
|---|
| 89 | val &= ~FLAG_TO_SET;
|
|---|
| 90 | else
|
|---|
| 91 | val |= FLAG_TO_SET;
|
|---|
| 92 | return fcntl( fd, F_SETFL, val);
|
|---|
| 93 | #else
|
|---|
| 94 | if(set) /* turn blocking on - ie. clear nonblock flag */
|
|---|
| 95 | val = 0;
|
|---|
| 96 | else
|
|---|
| 97 | val = 1;
|
|---|
| 98 | return os2_ioctl(fd, FIONBIO, (char *) &val, sizeof(val));
|
|---|
| 99 | #endif
|
|---|
| 100 |
|
|---|
| 101 | #undef FLAG_TO_SET
|
|---|
| 102 | }
|
|---|
