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author | Michael Brown | 2006-04-29 18:42:09 +0200 |
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committer | Michael Brown | 2006-04-29 18:42:09 +0200 |
commit | 23c494d14efafdd1dd06cec53665ddfd1c20fa34 (patch) | |
tree | 272441de75567c13f2d6075b771b0fad2ab1ba5a /src/include | |
parent | Give uIP a static IP address for proof-of-concept testing (diff) | |
download | ipxe-23c494d14efafdd1dd06cec53665ddfd1c20fa34.tar.gz ipxe-23c494d14efafdd1dd06cec53665ddfd1c20fa34.tar.xz ipxe-23c494d14efafdd1dd06cec53665ddfd1c20fa34.zip |
Added basic code for implementing co-operative multitasking.
Yes, you really can do it in 65 bytes.
Diffstat (limited to 'src/include')
-rw-r--r-- | src/include/gpxe/process.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/src/include/gpxe/process.h b/src/include/gpxe/process.h new file mode 100644 index 00000000..83ff8393 --- /dev/null +++ b/src/include/gpxe/process.h @@ -0,0 +1,32 @@ +#ifndef _GPXE_PROCESS_H +#define _GPXE_PROCESS_H + +/** @file + * + * Processes + * + */ + +#include <gpxe/list.h> + +/** A process */ +struct process { + /** List of processes */ + struct list_head list; + /** + * Single-step the process + * + * This method should execute a single step of the process. + * Returning from this method is isomorphic to yielding the + * CPU to another process. + * + * If the process wishes to be executed again, it must re-add + * itself to the run queue using schedule(). + */ + void ( * step ) ( struct process *process ); +}; + +extern void schedule ( struct process *process ); +extern void step ( void ); + +#endif /* _GPXE_PROCESS_H */ |