Processor-implemented systems and methods for event handling

A system, comprising:

• one or more data processors;
• and
• one or more non transitory computer-readable storage media containing instructions configured to cause the one or more processors to perform operations including:
• initializing a group of multiple threads in a computer system, wherein the group of multiple threads execute in a multi-thread environment;
• synchronizing the group of multiple threads by restricting one thread of the group from executing until multiple event conditions are satisfied, wherein each of the multiple event conditions corresponds to a different one of the multiple events;
• initializing multiple event objects, wherein each of the multiple event objects stores information about a different one of the multiple events and a corresponding event condition, and wherein each of the multiple event objects is associated with multiple methods including a wait method for updating and accessing the event condition information stored by the object;
• registering the multiple event objects, wherein registering an event object includes using the wait method to perform a wait operation to determine a status of an event by referencing an event condition information corresponding to the event stored by the event object and generating and storing a pointer associated with the event object;
• initializing a wait data structure, wherein the wait data structure holds a counter, wherein the counter is configured to indicate when all of the multiple event conditions are satisfied, and wherein initializing includes linking a pointer to the wait data structure;
• associating the one restricted thread of the group with the wait data structure;
• updating the counter when an event condition is satisfied;
• determining that all of the multiple event conditions are satisfied when the counter value reaches zero;
• and
• in response to determining that all of the multiple event conditions are satisfied, ceasing to restrict the one thread of the group from executing.

A computer-program product tangibly embodied in a non-transitory machine readable storage medium, and including instructions configured to cause a data processing apparatus to perform operations including:

• initializing a group of multiple threads in a computer system, wherein the group of multiple threads execute in a multi-thread environment;
• synchronizing the group of multiple threads by restricting one thread of the group from executing until multiple event conditions are satisfied, wherein each of the multiple event conditions corresponds to a different one of the multiple events;
• initializing multiple event objects, wherein each of the multiple event objects stores information about a different one of the multiple events and a corresponding event condition, and wherein each of the multiple event objects is associated with multiple methods including a wait method for updating and accessing the event condition information stored by the object;
• registering the multiple event objects, wherein registering an event object includes using the wait method to perform a wait operation to determine a status of an event by referencing an event condition information corresponding to the event stored by the event object and generating and storing a pointer associated with the event object;
• initializing a wait data structure, wherein the wait data structure holds a counter, wherein the counter is configured to indicate when all of the multiple event conditions are satisfied, and wherein initializing includes linking a pointer to the wait data structure;
• associating the one restricted thread of the group with the wait data structure;
• updating the counter when an event condition is satisfied;
• determining that all of the multiple event conditions are satisfied when the counter value reaches zero;
• and
• in response to determining that all of the multiple event conditions are satisfied, ceasing to restrict the one thread of the group from executing.