| 1 | EMBEDDING THE LIBEV CODE INTO YOUR OWN PROGRAMS |
1 | EMBEDDING THE LIBEV CODE INTO YOUR OWN PROGRAMS |
| 2 | |
2 | |
| 3 | Instead of building the libev library you cna also include the code |
3 | Instead of building the libev library you can also include the code |
| 4 | as-is into your programs. To update, you only have to copy a few files |
4 | as-is into your programs. To update, you only have to copy a few files |
| 5 | into your source tree. |
5 | into your source tree. |
| 6 | |
6 | |
| 7 | This is how it works: |
7 | This is how it works: |
| 8 | |
8 | |
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| 90 | If undefined or defined to be "1", libev will compile in support |
90 | If undefined or defined to be "1", libev will compile in support |
| 91 | for the select(2) backend. No attempt at autodetection will be |
91 | for the select(2) backend. No attempt at autodetection will be |
| 92 | done: if no other method takes over, select will be it. Otherwise |
92 | done: if no other method takes over, select will be it. Otherwise |
| 93 | the select backend will not be compiled in. |
93 | the select backend will not be compiled in. |
| 94 | |
94 | |
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95 | EV_SELECT_USE_WIN32_HANDLES |
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96 | |
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97 | When defined to 1, the select backend will assume that select |
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98 | doesn't understand file descriptors but wants osf handles on |
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99 | win32 (this is the case when the select to be used is the winsock |
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100 | select). This means that it will call _get_osfhandle on the fd to |
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101 | convert it to an OS handle. Should not be defined on non-win32 |
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102 | platforms. |
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103 | |
| 95 | EV_USE_POLL |
104 | EV_USE_POLL |
| 96 | |
105 | |
| 97 | If defined to be "1", libev will compile in support for the poll(2) |
106 | If defined to be "1", libev will compile in support for the poll(2) |
| 98 | backend. No attempt at autodetection will be done. poll usually |
107 | backend. No attempt at autodetection will be done. poll usually |
| 99 | performs worse than select, so its not enabled by default (it is |
108 | performs worse than select, so its not enabled by default (it is |
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| 124 | |
133 | |
| 125 | For example, the perl EV module uses this: |
134 | For example, the perl EV module uses this: |
| 126 | |
135 | |
| 127 | #define EV_COMMON \ |
136 | #define EV_COMMON \ |
| 128 | SV *self; /* contains this struct */ \ |
137 | SV *self; /* contains this struct */ \ |
| 129 | SV *cb_sv, *fh; |
138 | SV *cb_sv, *fh /* note no trailing ";" */ |
| 130 | |
139 | |
| 131 | EV_PROTOTYPES |
140 | EV_PROTOTYPES |
| 132 | |
141 | |
| 133 | If defined to be "0", then "ev.h" will not define any function |
142 | If defined to be "0", then "ev.h" will not define any function |
| 134 | prototypes, but still define all the structs and other |
143 | prototypes, but still define all the structs and other |
