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Gave asynchronous operations approximate POSIX signal semantics. This

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will enable us to cascade async operations, which is necessary in order to
properly support DNS.  (For example, an HTTP request may have to redirect
to a new location and will have to perform a new DNS lookup, so we can't
just rely on doing the name lookup at the time of parsing the initial
URL).

Anything other than HTTP is probably broken right now; I'll fix the others
up asap.
This commit is contained in:
Michael Brown
2007-01-15 08:49:10 +00:00
parent ec75b269d3
commit 4e20d73bb5
26 changed files with 656 additions and 248 deletions
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7
src/include/gpxe/aoe.h
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@@ -107,7 +107,7 @@ struct aoe_session {
/** Byte offset within command's data buffer */
unsigned int command_offset;
/** Asynchronous operation for this command */
struct async_operation aop;
struct async async;
/** Retransmission timer */
struct retry_timer timer;
@@ -121,8 +121,9 @@ struct aoe_session {
extern void aoe_open ( struct aoe_session *aoe );
extern void aoe_close ( struct aoe_session *aoe );
extern struct async_operation * aoe_issue ( struct aoe_session *aoe,
struct ata_command *command );
extern int aoe_issue ( struct aoe_session *aoe,
struct ata_command *command,
struct async *parent );
/** An AoE device */
struct aoe_device {